79915940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{811}}^1$

素因数の和:1212

約数の個数: 48

約数和(自身を含む): 181433280

約数和(自身を除く): 101517340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 379, 758, 811, 1516, 1622, 1895, 3244, 3790, 4055, 4927, 7580, 8110, 9854, 10543, 16220, 19708, 21086, 24635, 42172, 49270, 52715, 98540, 105430, 210860, 307369, 614738, 1229476, 1536845, 3073690, 3995797, 6147380, 7991594, 15983188, 19978985, 39957970, 79915940]

約数ペア:

[(1, 79915940), (2, 39957970), (4, 19978985), (5, 15983188), (10, 7991594), (13, 6147380), (20, 3995797), (26, 3073690), (52, 1536845), (65, 1229476), (130, 614738), (260, 307369), (379, 210860), (758, 105430), (811, 98540), (1516, 52715), (1622, 49270), (1895, 42172), (3244, 24635), (3790, 21086), (4055, 19708), (4927, 16220), (7580, 10543), (8110, 9854)]