131492920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13309}}^1$

素因数の和:13352

約数の個数: 64

約数和(自身を含む): 335412000

約数和(自身を除く): 203919080

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 13309, 26618, 53236, 66545, 106472, 133090, 173017, 252871, 266180, 346034, 505742, 532360, 692068, 865085, 1011484, 1264355, 1384136, 1730170, 2022968, 2528710, 3287323, 3460340, 5057420, 6574646, 6920680, 10114840, 13149292, 16436615, 26298584, 32873230, 65746460, 131492920]

約数ペア:

[(1, 131492920), (2, 65746460), (4, 32873230), (5, 26298584), (8, 16436615), (10, 13149292), (13, 10114840), (19, 6920680), (20, 6574646), (26, 5057420), (38, 3460340), (40, 3287323), (52, 2528710), (65, 2022968), (76, 1730170), (95, 1384136), (104, 1264355), (130, 1011484), (152, 865085), (190, 692068), (247, 532360), (260, 505742), (380, 346034), (494, 266180), (520, 252871), (760, 173017), (988, 133090), (1235, 106472), (1976, 66545), (2470, 53236), (4940, 26618), (9880, 13309)]