100506640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{401}}^1$

素因数の和:668

約数の個数: 80

約数和(自身を含む): 253327536

約数和(自身を除く): 152820896

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 241, 260, 401, 482, 520, 802, 964, 1040, 1205, 1604, 1928, 2005, 2410, 3133, 3208, 3856, 4010, 4820, 5213, 6266, 6416, 8020, 9640, 10426, 12532, 15665, 16040, 19280, 20852, 25064, 26065, 31330, 32080, 41704, 50128, 52130, 62660, 83408, 96641, 104260, 125320, 193282, 208520, 250640, 386564, 417040, 483205, 773128, 966410, 1256333, 1546256, 1932820, 2512666, 3865640, 5025332, 6281665, 7731280, 10050664, 12563330, 20101328, 25126660, 50253320, 100506640]

約数ペア:

[(1, 100506640), (2, 50253320), (4, 25126660), (5, 20101328), (8, 12563330), (10, 10050664), (13, 7731280), (16, 6281665), (20, 5025332), (26, 3865640), (40, 2512666), (52, 1932820), (65, 1546256), (80, 1256333), (104, 966410), (130, 773128), (208, 483205), (241, 417040), (260, 386564), (401, 250640), (482, 208520), (520, 193282), (802, 125320), (964, 104260), (1040, 96641), (1205, 83408), (1604, 62660), (1928, 52130), (2005, 50128), (2410, 41704), (3133, 32080), (3208, 31330), (3856, 26065), (4010, 25064), (4820, 20852), (5213, 19280), (6266, 16040), (6416, 15665), (8020, 12532), (9640, 10426)]