7141206040

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{661}}^1\times {\mathrm{1657}}^1$

素因数の和:2492

約数の個数: 64

約数和(自身を含む): 16200516960

約数和(自身を除く): 9059310920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 661, 815, 1304, 1322, 1630, 1657, 2644, 3260, 3305, 3314, 5288, 6520, 6610, 6628, 8285, 13220, 13256, 16570, 26440, 33140, 66280, 107743, 215486, 270091, 430972, 538715, 540182, 861944, 1077430, 1080364, 1095277, 1350455, 2154860, 2160728, 2190554, 2700910, 4309720, 4381108, 5401820, 5476385, 8762216, 10803640, 10952770, 21905540, 43811080, 178530151, 357060302, 714120604, 892650755, 1428241208, 1785301510, 3570603020, 7141206040]

約数ペア:

[(1, 7141206040), (2, 3570603020), (4, 1785301510), (5, 1428241208), (8, 892650755), (10, 714120604), (20, 357060302), (40, 178530151), (163, 43811080), (326, 21905540), (652, 10952770), (661, 10803640), (815, 8762216), (1304, 5476385), (1322, 5401820), (1630, 4381108), (1657, 4309720), (2644, 2700910), (3260, 2190554), (3305, 2160728), (3314, 2154860), (5288, 1350455), (6520, 1095277), (6610, 1080364), (6628, 1077430), (8285, 861944), (13220, 540182), (13256, 538715), (16570, 430972), (26440, 270091), (33140, 215486), (66280, 107743)]