42641680

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:268

約数の個数: 80

約数和(自身を含む): 103051440

約数和(自身を除く): 60409760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 89, 106, 113, 178, 212, 226, 265, 356, 424, 445, 452, 530, 565, 712, 848, 890, 904, 1060, 1130, 1424, 1780, 1808, 2120, 2260, 3560, 4240, 4520, 4717, 5989, 7120, 9040, 9434, 10057, 11978, 18868, 20114, 23585, 23956, 29945, 37736, 40228, 47170, 47912, 50285, 59890, 75472, 80456, 94340, 95824, 100570, 119780, 160912, 188680, 201140, 239560, 377360, 402280, 479120, 533021, 804560, 1066042, 2132084, 2665105, 4264168, 5330210, 8528336, 10660420, 21320840, 42641680]

約数ペア:

[(1, 42641680), (2, 21320840), (4, 10660420), (5, 8528336), (8, 5330210), (10, 4264168), (16, 2665105), (20, 2132084), (40, 1066042), (53, 804560), (80, 533021), (89, 479120), (106, 402280), (113, 377360), (178, 239560), (212, 201140), (226, 188680), (265, 160912), (356, 119780), (424, 100570), (445, 95824), (452, 94340), (530, 80456), (565, 75472), (712, 59890), (848, 50285), (890, 47912), (904, 47170), (1060, 40228), (1130, 37736), (1424, 29945), (1780, 23956), (1808, 23585), (2120, 20114), (2260, 18868), (3560, 11978), (4240, 10057), (4520, 9434), (4717, 9040), (5989, 7120)]