20026172450

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{67759}}^1$

素因数の和:68051

約数の個数: 48

約数和(自身を含む): 39020002560

約数和(自身を除く): 18993830110

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 257, 514, 575, 1150, 1285, 2570, 5911, 6425, 11822, 12850, 29555, 59110, 67759, 135518, 147775, 295550, 338795, 677590, 1558457, 1693975, 3116914, 3387950, 7792285, 15584570, 17414063, 34828126, 38961425, 77922850, 87070315, 174140630, 400523449, 435351575, 801046898, 870703150, 2002617245, 4005234490, 10013086225, 20026172450]

約数ペア:

[(1, 20026172450), (2, 10013086225), (5, 4005234490), (10, 2002617245), (23, 870703150), (25, 801046898), (46, 435351575), (50, 400523449), (115, 174140630), (230, 87070315), (257, 77922850), (514, 38961425), (575, 34828126), (1150, 17414063), (1285, 15584570), (2570, 7792285), (5911, 3387950), (6425, 3116914), (11822, 1693975), (12850, 1558457), (29555, 677590), (59110, 338795), (67759, 295550), (135518, 147775)]