31292320

素因数分解:

$2^5\times 5^1\times {\mathrm{257}}^1\times {\mathrm{761}}^1$

素因数の和:1033

約数の個数: 48

約数和(自身を含む): 74313288

約数和(自身を除く): 43020968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 257, 514, 761, 1028, 1285, 1522, 2056, 2570, 3044, 3805, 4112, 5140, 6088, 7610, 8224, 10280, 12176, 15220, 20560, 24352, 30440, 41120, 60880, 121760, 195577, 391154, 782308, 977885, 1564616, 1955770, 3129232, 3911540, 6258464, 7823080, 15646160, 31292320]

約数ペア:

[(1, 31292320), (2, 15646160), (4, 7823080), (5, 6258464), (8, 3911540), (10, 3129232), (16, 1955770), (20, 1564616), (32, 977885), (40, 782308), (80, 391154), (160, 195577), (257, 121760), (514, 60880), (761, 41120), (1028, 30440), (1285, 24352), (1522, 20560), (2056, 15220), (2570, 12176), (3044, 10280), (3805, 8224), (4112, 7610), (5140, 6088)]