31135520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{14969}}^1$

素因数の和:14997

約数の個数: 48

約数和(自身を含む): 79221240

約数和(自身を除く): 48085720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 14969, 29938, 59876, 74845, 119752, 149690, 194597, 239504, 299380, 389194, 479008, 598760, 778388, 972985, 1197520, 1556776, 1945970, 2395040, 3113552, 3891940, 6227104, 7783880, 15567760, 31135520]

約数ペア:

[(1, 31135520), (2, 15567760), (4, 7783880), (5, 6227104), (8, 3891940), (10, 3113552), (13, 2395040), (16, 1945970), (20, 1556776), (26, 1197520), (32, 972985), (40, 778388), (52, 598760), (65, 479008), (80, 389194), (104, 299380), (130, 239504), (160, 194597), (208, 149690), (260, 119752), (416, 74845), (520, 59876), (1040, 29938), (2080, 14969)]