39793280

素因数分解:

$2^7\times 5^1\times {\mathrm{97}}^1\times {\mathrm{641}}^1$

素因数の和:757

約数の個数: 64

約数和(自身を含む): 96261480

約数和(自身を除く): 56468200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 320, 388, 485, 640, 641, 776, 970, 1282, 1552, 1940, 2564, 3104, 3205, 3880, 5128, 6208, 6410, 7760, 10256, 12416, 12820, 15520, 20512, 25640, 31040, 41024, 51280, 62080, 62177, 82048, 102560, 124354, 205120, 248708, 310885, 410240, 497416, 621770, 994832, 1243540, 1989664, 2487080, 3979328, 4974160, 7958656, 9948320, 19896640, 39793280]

約数ペア:

[(1, 39793280), (2, 19896640), (4, 9948320), (5, 7958656), (8, 4974160), (10, 3979328), (16, 2487080), (20, 1989664), (32, 1243540), (40, 994832), (64, 621770), (80, 497416), (97, 410240), (128, 310885), (160, 248708), (194, 205120), (320, 124354), (388, 102560), (485, 82048), (640, 62177), (641, 62080), (776, 51280), (970, 41024), (1282, 31040), (1552, 25640), (1940, 20512), (2564, 15520), (3104, 12820), (3205, 12416), (3880, 10256), (5128, 7760), (6208, 6410)]