201081680

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67933}}^1$

素因数の和:67983

約数の個数: 40

約数和(自身を含む): 480157512

約数和(自身を除く): 279075832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 67933, 135866, 271732, 339665, 543464, 679330, 1086928, 1358660, 2513521, 2717320, 5027042, 5434640, 10054084, 12567605, 20108168, 25135210, 40216336, 50270420, 100540840, 201081680]

約数ペア:

[(1, 201081680), (2, 100540840), (4, 50270420), (5, 40216336), (8, 25135210), (10, 20108168), (16, 12567605), (20, 10054084), (37, 5434640), (40, 5027042), (74, 2717320), (80, 2513521), (148, 1358660), (185, 1086928), (296, 679330), (370, 543464), (592, 339665), (740, 271732), (1480, 135866), (2960, 67933)]