9891920

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2333}}^1$

素因数の和:2399

約数の個数: 40

約数和(自身を含む): 23442696

約数和(自身を除く): 13550776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 2333, 4240, 4666, 9332, 11665, 18664, 23330, 37328, 46660, 93320, 123649, 186640, 247298, 494596, 618245, 989192, 1236490, 1978384, 2472980, 4945960, 9891920]

約数ペア:

[(1, 9891920), (2, 4945960), (4, 2472980), (5, 1978384), (8, 1236490), (10, 989192), (16, 618245), (20, 494596), (40, 247298), (53, 186640), (80, 123649), (106, 93320), (212, 46660), (265, 37328), (424, 23330), (530, 18664), (848, 11665), (1060, 9332), (2120, 4666), (2333, 4240)]