80828540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18287}}^1$

素因数の和:18326

約数の個数: 48

約数和(自身を含む): 193560192

約数和(自身を除く): 112731652

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 18287, 36574, 73148, 91435, 182870, 237731, 310879, 365740, 475462, 621758, 950924, 1188655, 1243516, 1554395, 2377310, 3108790, 4041427, 4754620, 6217580, 8082854, 16165708, 20207135, 40414270, 80828540]

約数ペア:

[(1, 80828540), (2, 40414270), (4, 20207135), (5, 16165708), (10, 8082854), (13, 6217580), (17, 4754620), (20, 4041427), (26, 3108790), (34, 2377310), (52, 1554395), (65, 1243516), (68, 1188655), (85, 950924), (130, 621758), (170, 475462), (221, 365740), (260, 310879), (340, 237731), (442, 182870), (884, 91435), (1105, 73148), (2210, 36574), (4420, 18287)]