9808640

素因数分解:

$2^8\times 5^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 24037440

約数和(自身を除く): 14228800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 97, 128, 158, 160, 194, 256, 316, 320, 388, 395, 485, 632, 640, 776, 790, 970, 1264, 1280, 1552, 1580, 1940, 2528, 3104, 3160, 3880, 5056, 6208, 6320, 7663, 7760, 10112, 12416, 12640, 15326, 15520, 20224, 24832, 25280, 30652, 31040, 38315, 50560, 61304, 62080, 76630, 101120, 122608, 124160, 153260, 245216, 306520, 490432, 613040, 980864, 1226080, 1961728, 2452160, 4904320, 9808640]

約数ペア:

[(1, 9808640), (2, 4904320), (4, 2452160), (5, 1961728), (8, 1226080), (10, 980864), (16, 613040), (20, 490432), (32, 306520), (40, 245216), (64, 153260), (79, 124160), (80, 122608), (97, 101120), (128, 76630), (158, 62080), (160, 61304), (194, 50560), (256, 38315), (316, 31040), (320, 30652), (388, 25280), (395, 24832), (485, 20224), (632, 15520), (640, 15326), (776, 12640), (790, 12416), (970, 10112), (1264, 7760), (1280, 7663), (1552, 6320), (1580, 6208), (1940, 5056), (2528, 3880), (3104, 3160)]