40415050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{641}}^1$

素因数の和:763

約数の個数: 48

約数和(自身を含む): 81916632

約数和(自身を除く): 41501582

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 97, 130, 194, 325, 485, 641, 650, 970, 1261, 1282, 2425, 2522, 3205, 4850, 6305, 6410, 8333, 12610, 16025, 16666, 31525, 32050, 41665, 62177, 63050, 83330, 124354, 208325, 310885, 416650, 621770, 808301, 1554425, 1616602, 3108850, 4041505, 8083010, 20207525, 40415050]

約数ペア:

[(1, 40415050), (2, 20207525), (5, 8083010), (10, 4041505), (13, 3108850), (25, 1616602), (26, 1554425), (50, 808301), (65, 621770), (97, 416650), (130, 310885), (194, 208325), (325, 124354), (485, 83330), (641, 63050), (650, 62177), (970, 41665), (1261, 32050), (1282, 31525), (2425, 16666), (2522, 16025), (3205, 12610), (4850, 8333), (6305, 6410)]