1640804050

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{743}}^1\times {\mathrm{1523}}^1$

素因数の和:2307

約数の個数: 48

約数和(自身を含む): 3163458240

約数和(自身を除く): 1522654190

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 743, 1450, 1486, 1523, 3046, 3715, 7430, 7615, 15230, 18575, 21547, 37150, 38075, 43094, 44167, 76150, 88334, 107735, 215470, 220835, 441670, 538675, 1077350, 1104175, 1131589, 2208350, 2263178, 5657945, 11315890, 28289725, 32816081, 56579450, 65632162, 164080405, 328160810, 820402025, 1640804050]

約数ペア:

[(1, 1640804050), (2, 820402025), (5, 328160810), (10, 164080405), (25, 65632162), (29, 56579450), (50, 32816081), (58, 28289725), (145, 11315890), (290, 5657945), (725, 2263178), (743, 2208350), (1450, 1131589), (1486, 1104175), (1523, 1077350), (3046, 538675), (3715, 441670), (7430, 220835), (7615, 215470), (15230, 107735), (18575, 88334), (21547, 76150), (37150, 44167), (38075, 43094)]