28890760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1013}}^1$

素因数の和:1078

約数の個数: 64

約数和(自身を含む): 70087680

約数和(自身を除く): 41196920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 620, 713, 920, 1013, 1240, 1426, 2026, 2852, 3565, 4052, 5065, 5704, 7130, 8104, 10130, 14260, 20260, 23299, 28520, 31403, 40520, 46598, 62806, 93196, 116495, 125612, 157015, 186392, 232990, 251224, 314030, 465980, 628060, 722269, 931960, 1256120, 1444538, 2889076, 3611345, 5778152, 7222690, 14445380, 28890760]

約数ペア:

[(1, 28890760), (2, 14445380), (4, 7222690), (5, 5778152), (8, 3611345), (10, 2889076), (20, 1444538), (23, 1256120), (31, 931960), (40, 722269), (46, 628060), (62, 465980), (92, 314030), (115, 251224), (124, 232990), (155, 186392), (184, 157015), (230, 125612), (248, 116495), (310, 93196), (460, 62806), (620, 46598), (713, 40520), (920, 31403), (1013, 28520), (1240, 23299), (1426, 20260), (2026, 14260), (2852, 10130), (3565, 8104), (4052, 7130), (5065, 5704)]