40265820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31957}}^1$

素因数の和:31979

約数の個数: 72

約数和(自身を含む): 139592544

約数和(自身を除く): 99326724

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 31957, 63914, 95871, 127828, 159785, 191742, 223699, 287613, 319570, 383484, 447398, 479355, 575226, 639140, 671097, 894796, 958710, 1118495, 1150452, 1342194, 1438065, 1917420, 2013291, 2236990, 2684388, 2876130, 3355485, 4026582, 4473980, 5752260, 6710970, 8053164, 10066455, 13421940, 20132910, 40265820]

約数ペア:

[(1, 40265820), (2, 20132910), (3, 13421940), (4, 10066455), (5, 8053164), (6, 6710970), (7, 5752260), (9, 4473980), (10, 4026582), (12, 3355485), (14, 2876130), (15, 2684388), (18, 2236990), (20, 2013291), (21, 1917420), (28, 1438065), (30, 1342194), (35, 1150452), (36, 1118495), (42, 958710), (45, 894796), (60, 671097), (63, 639140), (70, 575226), (84, 479355), (90, 447398), (105, 383484), (126, 319570), (140, 287613), (180, 223699), (210, 191742), (252, 159785), (315, 127828), (420, 95871), (630, 63914), (1260, 31957)]