12225040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:220

約数の個数: 80

約数和(自身を含む): 30734640

約数和(自身を除く): 18509600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 89, 101, 136, 170, 178, 202, 272, 340, 356, 404, 445, 505, 680, 712, 808, 890, 1010, 1360, 1424, 1513, 1616, 1717, 1780, 2020, 3026, 3434, 3560, 4040, 6052, 6868, 7120, 7565, 8080, 8585, 8989, 12104, 13736, 15130, 17170, 17978, 24208, 27472, 30260, 34340, 35956, 44945, 60520, 68680, 71912, 89890, 121040, 137360, 143824, 152813, 179780, 305626, 359560, 611252, 719120, 764065, 1222504, 1528130, 2445008, 3056260, 6112520, 12225040]

約数ペア:

[(1, 12225040), (2, 6112520), (4, 3056260), (5, 2445008), (8, 1528130), (10, 1222504), (16, 764065), (17, 719120), (20, 611252), (34, 359560), (40, 305626), (68, 179780), (80, 152813), (85, 143824), (89, 137360), (101, 121040), (136, 89890), (170, 71912), (178, 68680), (202, 60520), (272, 44945), (340, 35956), (356, 34340), (404, 30260), (445, 27472), (505, 24208), (680, 17978), (712, 17170), (808, 15130), (890, 13736), (1010, 12104), (1360, 8989), (1424, 8585), (1513, 8080), (1616, 7565), (1717, 7120), (1780, 6868), (2020, 6052), (3026, 4040), (3434, 3560)]