65245700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1619}}^1$

素因数の和:1677

約数の個数: 72

約数和(自身を含む): 157489920

約数和(自身を除く): 92244220

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 403, 620, 650, 775, 806, 1300, 1550, 1612, 1619, 2015, 3100, 3238, 4030, 6476, 8060, 8095, 10075, 16190, 20150, 21047, 32380, 40300, 40475, 42094, 50189, 80950, 84188, 100378, 105235, 161900, 200756, 210470, 250945, 420940, 501890, 526175, 652457, 1003780, 1052350, 1254725, 1304914, 2104700, 2509450, 2609828, 3262285, 5018900, 6524570, 13049140, 16311425, 32622850, 65245700]

約数ペア:

[(1, 65245700), (2, 32622850), (4, 16311425), (5, 13049140), (10, 6524570), (13, 5018900), (20, 3262285), (25, 2609828), (26, 2509450), (31, 2104700), (50, 1304914), (52, 1254725), (62, 1052350), (65, 1003780), (100, 652457), (124, 526175), (130, 501890), (155, 420940), (260, 250945), (310, 210470), (325, 200756), (403, 161900), (620, 105235), (650, 100378), (775, 84188), (806, 80950), (1300, 50189), (1550, 42094), (1612, 40475), (1619, 40300), (2015, 32380), (3100, 21047), (3238, 20150), (4030, 16190), (6476, 10075), (8060, 8095)]