126545900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{313}}^1$

素因数の和:651

約数の個数: 72

約数和(自身を含む): 297626784

約数和(自身を除く): 171080884

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 311, 313, 325, 622, 626, 650, 1244, 1252, 1300, 1555, 1565, 3110, 3130, 4043, 4069, 6220, 6260, 7775, 7825, 8086, 8138, 15550, 15650, 16172, 16276, 20215, 20345, 31100, 31300, 40430, 40690, 80860, 81380, 97343, 101075, 101725, 194686, 202150, 203450, 389372, 404300, 406900, 486715, 973430, 1265459, 1946860, 2433575, 2530918, 4867150, 5061836, 6327295, 9734300, 12654590, 25309180, 31636475, 63272950, 126545900]

約数ペア:

[(1, 126545900), (2, 63272950), (4, 31636475), (5, 25309180), (10, 12654590), (13, 9734300), (20, 6327295), (25, 5061836), (26, 4867150), (50, 2530918), (52, 2433575), (65, 1946860), (100, 1265459), (130, 973430), (260, 486715), (311, 406900), (313, 404300), (325, 389372), (622, 203450), (626, 202150), (650, 194686), (1244, 101725), (1252, 101075), (1300, 97343), (1555, 81380), (1565, 80860), (3110, 40690), (3130, 40430), (4043, 31300), (4069, 31100), (6220, 20345), (6260, 20215), (7775, 16276), (7825, 16172), (8086, 15650), (8138, 15550)]