8424520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{953}}^1$

素因数の和:994

約数の個数: 64

約数和(自身を含む): 21636720

約数和(自身を除く): 13212200

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 953, 1105, 1768, 1906, 2210, 3812, 4420, 4765, 7624, 8840, 9530, 12389, 16201, 19060, 24778, 32402, 38120, 49556, 61945, 64804, 81005, 99112, 123890, 129608, 162010, 210613, 247780, 324020, 421226, 495560, 648040, 842452, 1053065, 1684904, 2106130, 4212260, 8424520]

約数ペア:

[(1, 8424520), (2, 4212260), (4, 2106130), (5, 1684904), (8, 1053065), (10, 842452), (13, 648040), (17, 495560), (20, 421226), (26, 324020), (34, 247780), (40, 210613), (52, 162010), (65, 129608), (68, 123890), (85, 99112), (104, 81005), (130, 64804), (136, 61945), (170, 49556), (221, 38120), (260, 32402), (340, 24778), (442, 19060), (520, 16201), (680, 12389), (884, 9530), (953, 8840), (1105, 7624), (1768, 4765), (1906, 4420), (2210, 3812)]