8193920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:116

約数の個数: 128

約数和(自身を含む): 23500800

約数和(自身を除く): 15306880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 59, 62, 64, 70, 80, 112, 118, 124, 128, 140, 155, 160, 217, 224, 236, 248, 280, 295, 310, 320, 413, 434, 448, 472, 496, 560, 590, 620, 640, 826, 868, 896, 944, 992, 1085, 1120, 1180, 1240, 1652, 1736, 1829, 1888, 1984, 2065, 2170, 2240, 2360, 2480, 3304, 3472, 3658, 3776, 3968, 4130, 4340, 4480, 4720, 4960, 6608, 6944, 7316, 7552, 8260, 8680, 9145, 9440, 9920, 12803, 13216, 13888, 14632, 16520, 17360, 18290, 18880, 19840, 25606, 26432, 27776, 29264, 33040, 34720, 36580, 37760, 51212, 52864, 58528, 64015, 66080, 69440, 73160, 102424, 117056, 128030, 132160, 138880, 146320, 204848, 234112, 256060, 264320, 292640, 409696, 512120, 585280, 819392, 1024240, 1170560, 1638784, 2048480, 4096960, 8193920]

約数ペア:

[(1, 8193920), (2, 4096960), (4, 2048480), (5, 1638784), (7, 1170560), (8, 1024240), (10, 819392), (14, 585280), (16, 512120), (20, 409696), (28, 292640), (31, 264320), (32, 256060), (35, 234112), (40, 204848), (56, 146320), (59, 138880), (62, 132160), (64, 128030), (70, 117056), (80, 102424), (112, 73160), (118, 69440), (124, 66080), (128, 64015), (140, 58528), (155, 52864), (160, 51212), (217, 37760), (224, 36580), (236, 34720), (248, 33040), (280, 29264), (295, 27776), (310, 26432), (320, 25606), (413, 19840), (434, 18880), (448, 18290), (472, 17360), (496, 16520), (560, 14632), (590, 13888), (620, 13216), (640, 12803), (826, 9920), (868, 9440), (896, 9145), (944, 8680), (992, 8260), (1085, 7552), (1120, 7316), (1180, 6944), (1240, 6608), (1652, 4960), (1736, 4720), (1829, 4480), (1888, 4340), (1984, 4130), (2065, 3968), (2170, 3776), (2240, 3658), (2360, 3472), (2480, 3304)]