2912772020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{34487}}^1$

素因数の和:34640

約数の個数: 48

約数和(自身を含む): 6327030528

約数和(自身を除く): 3414258508

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 103, 164, 205, 206, 410, 412, 515, 820, 1030, 2060, 4223, 8446, 16892, 21115, 34487, 42230, 68974, 84460, 137948, 172435, 344870, 689740, 1413967, 2827934, 3552161, 5655868, 7069835, 7104322, 14139670, 14208644, 17760805, 28279340, 35521610, 71043220, 145638601, 291277202, 582554404, 728193005, 1456386010, 2912772020]

約数ペア:

[(1, 2912772020), (2, 1456386010), (4, 728193005), (5, 582554404), (10, 291277202), (20, 145638601), (41, 71043220), (82, 35521610), (103, 28279340), (164, 17760805), (205, 14208644), (206, 14139670), (410, 7104322), (412, 7069835), (515, 5655868), (820, 3552161), (1030, 2827934), (2060, 1413967), (4223, 689740), (8446, 344870), (16892, 172435), (21115, 137948), (34487, 84460), (42230, 68974)]