55909120

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1409}}^1$

素因数の和:1461

約数の個数: 72

約数和(自身を含む): 138337920

約数和(自身を除く): 82428800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1409, 1984, 2480, 2818, 3968, 4960, 5636, 7045, 7936, 9920, 11272, 14090, 19840, 22544, 28180, 39680, 43679, 45088, 56360, 87358, 90176, 112720, 174716, 180352, 218395, 225440, 349432, 360704, 436790, 450880, 698864, 873580, 901760, 1397728, 1747160, 1803520, 2795456, 3494320, 5590912, 6988640, 11181824, 13977280, 27954560, 55909120]

約数ペア:

[(1, 55909120), (2, 27954560), (4, 13977280), (5, 11181824), (8, 6988640), (10, 5590912), (16, 3494320), (20, 2795456), (31, 1803520), (32, 1747160), (40, 1397728), (62, 901760), (64, 873580), (80, 698864), (124, 450880), (128, 436790), (155, 360704), (160, 349432), (248, 225440), (256, 218395), (310, 180352), (320, 174716), (496, 112720), (620, 90176), (640, 87358), (992, 56360), (1240, 45088), (1280, 43679), (1409, 39680), (1984, 28180), (2480, 22544), (2818, 19840), (3968, 14090), (4960, 11272), (5636, 9920), (7045, 7936)]