72841360

素因数分解:

$2^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2909}}^1$

素因数の和:3235

約数の個数: 40

約数和(自身を含む): 169955640

約数和(自身を除く): 97114280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313, 626, 1252, 1565, 2504, 2909, 3130, 5008, 5818, 6260, 11636, 12520, 14545, 23272, 25040, 29090, 46544, 58180, 116360, 232720, 910517, 1821034, 3642068, 4552585, 7284136, 9105170, 14568272, 18210340, 36420680, 72841360]

約数ペア:

[(1, 72841360), (2, 36420680), (4, 18210340), (5, 14568272), (8, 9105170), (10, 7284136), (16, 4552585), (20, 3642068), (40, 1821034), (80, 910517), (313, 232720), (626, 116360), (1252, 58180), (1565, 46544), (2504, 29090), (2909, 25040), (3130, 23272), (5008, 14545), (5818, 12520), (6260, 11636)]