9018769840

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{941}}^1\times {\mathrm{2549}}^1$

素因数の和:3550

約数の個数: 80

約数和(自身を含む): 21445948800

約数和(自身を除く): 12427178960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 941, 1880, 1882, 2549, 3760, 3764, 4705, 5098, 7528, 9410, 10196, 12745, 15056, 18820, 20392, 25490, 37640, 40784, 44227, 50980, 75280, 88454, 101960, 119803, 176908, 203920, 221135, 239606, 353816, 442270, 479212, 599015, 707632, 884540, 958424, 1198030, 1769080, 1916848, 2396060, 2398609, 3538160, 4792120, 4797218, 9584240, 9594436, 11993045, 19188872, 23986090, 38377744, 47972180, 95944360, 112734623, 191888720, 225469246, 450938492, 563673115, 901876984, 1127346230, 1803753968, 2254692460, 4509384920, 9018769840]

約数ペア:

[(1, 9018769840), (2, 4509384920), (4, 2254692460), (5, 1803753968), (8, 1127346230), (10, 901876984), (16, 563673115), (20, 450938492), (40, 225469246), (47, 191888720), (80, 112734623), (94, 95944360), (188, 47972180), (235, 38377744), (376, 23986090), (470, 19188872), (752, 11993045), (940, 9594436), (941, 9584240), (1880, 4797218), (1882, 4792120), (2549, 3538160), (3760, 2398609), (3764, 2396060), (4705, 1916848), (5098, 1769080), (7528, 1198030), (9410, 958424), (10196, 884540), (12745, 707632), (15056, 599015), (18820, 479212), (20392, 442270), (25490, 353816), (37640, 239606), (40784, 221135), (44227, 203920), (50980, 176908), (75280, 119803), (88454, 101960)]