40453660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{431}}^1$

素因数の和:491

約数の個数: 72

約数和(自身を含む): 96780096

約数和(自身を除く): 56326436

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 361, 380, 431, 494, 722, 862, 988, 1235, 1444, 1724, 1805, 2155, 2470, 3610, 4310, 4693, 4940, 5603, 7220, 8189, 8620, 9386, 11206, 16378, 18772, 22412, 23465, 28015, 32756, 40945, 46930, 56030, 81890, 93860, 106457, 112060, 155591, 163780, 212914, 311182, 425828, 532285, 622364, 777955, 1064570, 1555910, 2022683, 2129140, 3111820, 4045366, 8090732, 10113415, 20226830, 40453660]

約数ペア:

[(1, 40453660), (2, 20226830), (4, 10113415), (5, 8090732), (10, 4045366), (13, 3111820), (19, 2129140), (20, 2022683), (26, 1555910), (38, 1064570), (52, 777955), (65, 622364), (76, 532285), (95, 425828), (130, 311182), (190, 212914), (247, 163780), (260, 155591), (361, 112060), (380, 106457), (431, 93860), (494, 81890), (722, 56030), (862, 46930), (988, 40945), (1235, 32756), (1444, 28015), (1724, 23465), (1805, 22412), (2155, 18772), (2470, 16378), (3610, 11206), (4310, 9386), (4693, 8620), (4940, 8189), (5603, 7220)]