80541920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29611}}^1$

素因数の和:29643

約数の個数: 48

約数和(自身を含む): 201480048

約数和(自身を除く): 120938128

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 29611, 59222, 118444, 148055, 236888, 296110, 473776, 503387, 592220, 947552, 1006774, 1184440, 2013548, 2368880, 2516935, 4027096, 4737760, 5033870, 8054192, 10067740, 16108384, 20135480, 40270960, 80541920]

約数ペア:

[(1, 80541920), (2, 40270960), (4, 20135480), (5, 16108384), (8, 10067740), (10, 8054192), (16, 5033870), (17, 4737760), (20, 4027096), (32, 2516935), (34, 2368880), (40, 2013548), (68, 1184440), (80, 1006774), (85, 947552), (136, 592220), (160, 503387), (170, 473776), (272, 296110), (340, 236888), (544, 148055), (680, 118444), (1360, 59222), (2720, 29611)]