13306823120

素因数分解:

$2^4\times 5^1\times {\mathrm{317}}^1\times {\mathrm{647}}^1\times {\mathrm{811}}^1$

素因数の和:1788

約数の個数: 80

約数和(自身を含む): 31122258048

約数和(自身を除く): 17815434928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317, 634, 647, 811, 1268, 1294, 1585, 1622, 2536, 2588, 3170, 3235, 3244, 4055, 5072, 5176, 6340, 6470, 6488, 8110, 10352, 12680, 12940, 12976, 16220, 25360, 25880, 32440, 51760, 64880, 205099, 257087, 410198, 514174, 524717, 820396, 1025495, 1028348, 1049434, 1285435, 1640792, 2050990, 2056696, 2098868, 2570870, 2623585, 3281584, 4101980, 4113392, 4197736, 5141740, 5247170, 8203960, 8395472, 10283480, 10494340, 16407920, 20566960, 20988680, 41977360, 166335289, 332670578, 665341156, 831676445, 1330682312, 1663352890, 2661364624, 3326705780, 6653411560, 13306823120]

約数ペア:

[(1, 13306823120), (2, 6653411560), (4, 3326705780), (5, 2661364624), (8, 1663352890), (10, 1330682312), (16, 831676445), (20, 665341156), (40, 332670578), (80, 166335289), (317, 41977360), (634, 20988680), (647, 20566960), (811, 16407920), (1268, 10494340), (1294, 10283480), (1585, 8395472), (1622, 8203960), (2536, 5247170), (2588, 5141740), (3170, 4197736), (3235, 4113392), (3244, 4101980), (4055, 3281584), (5072, 2623585), (5176, 2570870), (6340, 2098868), (6470, 2056696), (6488, 2050990), (8110, 1640792), (10352, 1285435), (12680, 1049434), (12940, 1028348), (12976, 1025495), (16220, 820396), (25360, 524717), (25880, 514174), (32440, 410198), (51760, 257087), (64880, 205099)]