28755740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5821}}^1$

素因数の和:5862

約数の個数: 48

約数和(自身を含む): 68466720

約数和(自身を除く): 39710980

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 5821, 11642, 23284, 29105, 58210, 75673, 110599, 116420, 151346, 221198, 302692, 378365, 442396, 552995, 756730, 1105990, 1437787, 1513460, 2211980, 2875574, 5751148, 7188935, 14377870, 28755740]

約数ペア:

[(1, 28755740), (2, 14377870), (4, 7188935), (5, 5751148), (10, 2875574), (13, 2211980), (19, 1513460), (20, 1437787), (26, 1105990), (38, 756730), (52, 552995), (65, 442396), (76, 378365), (95, 302692), (130, 221198), (190, 151346), (247, 116420), (260, 110599), (380, 75673), (494, 58210), (988, 29105), (1235, 23284), (2470, 11642), (4940, 5821)]