142165040

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{487}}^1$

素因数の和:630

約数の個数: 80

約数和(自身を含む): 343103040

約数和(自身を除く): 200938000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 89, 164, 178, 205, 328, 356, 410, 445, 487, 656, 712, 820, 890, 974, 1424, 1640, 1780, 1948, 2435, 3280, 3560, 3649, 3896, 4870, 7120, 7298, 7792, 9740, 14596, 18245, 19480, 19967, 29192, 36490, 38960, 39934, 43343, 58384, 72980, 79868, 86686, 99835, 145960, 159736, 173372, 199670, 216715, 291920, 319472, 346744, 399340, 433430, 693488, 798680, 866860, 1597360, 1733720, 1777063, 3467440, 3554126, 7108252, 8885315, 14216504, 17770630, 28433008, 35541260, 71082520, 142165040]

約数ペア:

[(1, 142165040), (2, 71082520), (4, 35541260), (5, 28433008), (8, 17770630), (10, 14216504), (16, 8885315), (20, 7108252), (40, 3554126), (41, 3467440), (80, 1777063), (82, 1733720), (89, 1597360), (164, 866860), (178, 798680), (205, 693488), (328, 433430), (356, 399340), (410, 346744), (445, 319472), (487, 291920), (656, 216715), (712, 199670), (820, 173372), (890, 159736), (974, 145960), (1424, 99835), (1640, 86686), (1780, 79868), (1948, 72980), (2435, 58384), (3280, 43343), (3560, 39934), (3649, 38960), (3896, 36490), (4870, 29192), (7120, 19967), (7298, 19480), (7792, 18245), (9740, 14596)]