101980880

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:444

約数の個数: 80

約数和(自身を含む): 246305664

約数和(自身を除く): 144324784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 131, 148, 185, 262, 263, 296, 370, 524, 526, 592, 655, 740, 1048, 1052, 1310, 1315, 1480, 2096, 2104, 2620, 2630, 2960, 4208, 4847, 5240, 5260, 9694, 9731, 10480, 10520, 19388, 19462, 21040, 24235, 34453, 38776, 38924, 48470, 48655, 68906, 77552, 77848, 96940, 97310, 137812, 155696, 172265, 193880, 194620, 275624, 344530, 387760, 389240, 551248, 689060, 778480, 1274761, 1378120, 2549522, 2756240, 5099044, 6373805, 10198088, 12747610, 20396176, 25495220, 50990440, 101980880]

約数ペア:

[(1, 101980880), (2, 50990440), (4, 25495220), (5, 20396176), (8, 12747610), (10, 10198088), (16, 6373805), (20, 5099044), (37, 2756240), (40, 2549522), (74, 1378120), (80, 1274761), (131, 778480), (148, 689060), (185, 551248), (262, 389240), (263, 387760), (296, 344530), (370, 275624), (524, 194620), (526, 193880), (592, 172265), (655, 155696), (740, 137812), (1048, 97310), (1052, 96940), (1310, 77848), (1315, 77552), (1480, 68906), (2096, 48655), (2104, 48470), (2620, 38924), (2630, 38776), (2960, 34453), (4208, 24235), (4847, 21040), (5240, 19462), (5260, 19388), (9694, 10520), (9731, 10480)]