40129194880

素因数分解:

$2^7\times 5^1\times {\mathrm{97}}^1\times {\mathrm{646411}}^1$

素因数の和:646527

約数の個数: 64

約数和(自身を含む): 96923015280

約数和(自身を除く): 56793820400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 320, 388, 485, 640, 776, 970, 1552, 1940, 3104, 3880, 6208, 7760, 12416, 15520, 31040, 62080, 646411, 1292822, 2585644, 3232055, 5171288, 6464110, 10342576, 12928220, 20685152, 25856440, 41370304, 51712880, 62701867, 82740608, 103425760, 125403734, 206851520, 250807468, 313509335, 413703040, 501614936, 627018670, 1003229872, 1254037340, 2006459744, 2508074680, 4012919488, 5016149360, 8025838976, 10032298720, 20064597440, 40129194880]

約数ペア:

[(1, 40129194880), (2, 20064597440), (4, 10032298720), (5, 8025838976), (8, 5016149360), (10, 4012919488), (16, 2508074680), (20, 2006459744), (32, 1254037340), (40, 1003229872), (64, 627018670), (80, 501614936), (97, 413703040), (128, 313509335), (160, 250807468), (194, 206851520), (320, 125403734), (388, 103425760), (485, 82740608), (640, 62701867), (776, 51712880), (970, 41370304), (1552, 25856440), (1940, 20685152), (3104, 12928220), (3880, 10342576), (6208, 6464110), (7760, 5171288), (12416, 3232055), (15520, 2585644), (31040, 1292822), (62080, 646411)]