20160419825

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{9601}}^1$

素因数の和:9715

約数の個数: 72

約数和(自身を含む): 31375956096

約数和(自身を除く): 11215536271

約数列:

[1, 5, 7, 13, 25, 35, 65, 71, 91, 169, 175, 325, 355, 455, 497, 845, 923, 1183, 1775, 2275, 2485, 4225, 4615, 5915, 6461, 9601, 11999, 12425, 23075, 29575, 32305, 48005, 59995, 67207, 83993, 124813, 161525, 240025, 299975, 336035, 419965, 624065, 681671, 873691, 1622569, 1680175, 2099825, 3120325, 3408355, 4368455, 4771697, 8112845, 8861723, 11357983, 17041775, 21842275, 23858485, 40564225, 44308615, 56789915, 62032061, 115202399, 119292425, 221543075, 283949575, 310160305, 576011995, 806416793, 1550801525, 2880059975, 4032083965, 20160419825]

約数ペア:

[(1, 20160419825), (5, 4032083965), (7, 2880059975), (13, 1550801525), (25, 806416793), (35, 576011995), (65, 310160305), (71, 283949575), (91, 221543075), (169, 119292425), (175, 115202399), (325, 62032061), (355, 56789915), (455, 44308615), (497, 40564225), (845, 23858485), (923, 21842275), (1183, 17041775), (1775, 11357983), (2275, 8861723), (2485, 8112845), (4225, 4771697), (4615, 4368455), (5915, 3408355), (6461, 3120325), (9601, 2099825), (11999, 1680175), (12425, 1622569), (23075, 873691), (29575, 681671), (32305, 624065), (48005, 419965), (59995, 336035), (67207, 299975), (83993, 240025), (124813, 161525)]