40779800

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:213

約数の個数: 96

約数和(自身を含む): 100440000

約数和(自身を除く): 59660200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 79, 89, 100, 116, 145, 158, 178, 200, 232, 290, 316, 356, 395, 445, 580, 632, 712, 725, 790, 890, 1160, 1450, 1580, 1780, 1975, 2225, 2291, 2581, 2900, 3160, 3560, 3950, 4450, 4582, 5162, 5800, 7031, 7900, 8900, 9164, 10324, 11455, 12905, 14062, 15800, 17800, 18328, 20648, 22910, 25810, 28124, 35155, 45820, 51620, 56248, 57275, 64525, 70310, 91640, 103240, 114550, 129050, 140620, 175775, 203899, 229100, 258100, 281240, 351550, 407798, 458200, 516200, 703100, 815596, 1019495, 1406200, 1631192, 2038990, 4077980, 5097475, 8155960, 10194950, 20389900, 40779800]

約数ペア:

[(1, 40779800), (2, 20389900), (4, 10194950), (5, 8155960), (8, 5097475), (10, 4077980), (20, 2038990), (25, 1631192), (29, 1406200), (40, 1019495), (50, 815596), (58, 703100), (79, 516200), (89, 458200), (100, 407798), (116, 351550), (145, 281240), (158, 258100), (178, 229100), (200, 203899), (232, 175775), (290, 140620), (316, 129050), (356, 114550), (395, 103240), (445, 91640), (580, 70310), (632, 64525), (712, 57275), (725, 56248), (790, 51620), (890, 45820), (1160, 35155), (1450, 28124), (1580, 25810), (1780, 22910), (1975, 20648), (2225, 18328), (2291, 17800), (2581, 15800), (2900, 14062), (3160, 12905), (3560, 11455), (3950, 10324), (4450, 9164), (4582, 8900), (5162, 7900), (5800, 7031)]