66469351625

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{379}}^1\times {\mathrm{487}}^1$

素因数の和:991

約数の個数: 64

約数和(自身を含む): 86554490880

約数和(自身を除く): 20085139255

約数列:

[1, 5, 25, 43, 67, 125, 215, 335, 379, 487, 1075, 1675, 1895, 2435, 2881, 5375, 8375, 9475, 12175, 14405, 16297, 20941, 25393, 32629, 47375, 60875, 72025, 81485, 104705, 126965, 163145, 184573, 360125, 407425, 523525, 634825, 815725, 922865, 1091899, 1403047, 2037125, 2617625, 3174125, 4078625, 4614325, 5459495, 7015235, 7936639, 12366391, 23071625, 27297475, 35076175, 39683195, 61831955, 136487375, 175380875, 198415975, 309159775, 531754813, 992079875, 1545798875, 2658774065, 13293870325, 66469351625]

約数ペア:

[(1, 66469351625), (5, 13293870325), (25, 2658774065), (43, 1545798875), (67, 992079875), (125, 531754813), (215, 309159775), (335, 198415975), (379, 175380875), (487, 136487375), (1075, 61831955), (1675, 39683195), (1895, 35076175), (2435, 27297475), (2881, 23071625), (5375, 12366391), (8375, 7936639), (9475, 7015235), (12175, 5459495), (14405, 4614325), (16297, 4078625), (20941, 3174125), (25393, 2617625), (32629, 2037125), (47375, 1403047), (60875, 1091899), (72025, 922865), (81485, 815725), (104705, 634825), (126965, 523525), (163145, 407425), (184573, 360125)]