26942720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 76919808

約数和(自身を除く): 49977088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 97, 112, 124, 128, 140, 155, 160, 194, 217, 224, 248, 256, 280, 310, 320, 388, 434, 448, 485, 496, 560, 620, 640, 679, 776, 868, 896, 970, 992, 1085, 1120, 1240, 1280, 1358, 1552, 1736, 1792, 1940, 1984, 2170, 2240, 2480, 2716, 3007, 3104, 3395, 3472, 3880, 3968, 4340, 4480, 4960, 5432, 6014, 6208, 6790, 6944, 7760, 7936, 8680, 8960, 9920, 10864, 12028, 12416, 13580, 13888, 15035, 15520, 17360, 19840, 21049, 21728, 24056, 24832, 27160, 27776, 30070, 31040, 34720, 39680, 42098, 43456, 48112, 54320, 55552, 60140, 62080, 69440, 84196, 86912, 96224, 105245, 108640, 120280, 124160, 138880, 168392, 173824, 192448, 210490, 217280, 240560, 277760, 336784, 384896, 420980, 434560, 481120, 673568, 769792, 841960, 869120, 962240, 1347136, 1683920, 1924480, 2694272, 3367840, 3848960, 5388544, 6735680, 13471360, 26942720]

約数ペア:

[(1, 26942720), (2, 13471360), (4, 6735680), (5, 5388544), (7, 3848960), (8, 3367840), (10, 2694272), (14, 1924480), (16, 1683920), (20, 1347136), (28, 962240), (31, 869120), (32, 841960), (35, 769792), (40, 673568), (56, 481120), (62, 434560), (64, 420980), (70, 384896), (80, 336784), (97, 277760), (112, 240560), (124, 217280), (128, 210490), (140, 192448), (155, 173824), (160, 168392), (194, 138880), (217, 124160), (224, 120280), (248, 108640), (256, 105245), (280, 96224), (310, 86912), (320, 84196), (388, 69440), (434, 62080), (448, 60140), (485, 55552), (496, 54320), (560, 48112), (620, 43456), (640, 42098), (679, 39680), (776, 34720), (868, 31040), (896, 30070), (970, 27776), (992, 27160), (1085, 24832), (1120, 24056), (1240, 21728), (1280, 21049), (1358, 19840), (1552, 17360), (1736, 15520), (1792, 15035), (1940, 13888), (1984, 13580), (2170, 12416), (2240, 12028), (2480, 10864), (2716, 9920), (3007, 8960), (3104, 8680), (3395, 7936), (3472, 7760), (3880, 6944), (3968, 6790), (4340, 6208), (4480, 6014), (4960, 5432)]