31530850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{271}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 63745920

約数和(自身を除く): 32215070

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 179, 271, 325, 358, 542, 650, 895, 1355, 1790, 2327, 2710, 3523, 4475, 4654, 6775, 7046, 8950, 11635, 13550, 17615, 23270, 35230, 48509, 58175, 88075, 97018, 116350, 176150, 242545, 485090, 630617, 1212725, 1261234, 2425450, 3153085, 6306170, 15765425, 31530850]

約数ペア:

[(1, 31530850), (2, 15765425), (5, 6306170), (10, 3153085), (13, 2425450), (25, 1261234), (26, 1212725), (50, 630617), (65, 485090), (130, 242545), (179, 176150), (271, 116350), (325, 97018), (358, 88075), (542, 58175), (650, 48509), (895, 35230), (1355, 23270), (1790, 17615), (2327, 13550), (2710, 11635), (3523, 8950), (4475, 7046), (4654, 6775)]