7120880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:234

約数の個数: 80

約数和(自身を含む): 18373824

約数和(自身を除く): 11252944

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 167, 205, 208, 260, 328, 334, 410, 520, 533, 656, 668, 820, 835, 1040, 1066, 1336, 1640, 1670, 2132, 2171, 2665, 2672, 3280, 3340, 4264, 4342, 5330, 6680, 6847, 8528, 8684, 10660, 10855, 13360, 13694, 17368, 21320, 21710, 27388, 34235, 34736, 42640, 43420, 54776, 68470, 86840, 89011, 109552, 136940, 173680, 178022, 273880, 356044, 445055, 547760, 712088, 890110, 1424176, 1780220, 3560440, 7120880]

約数ペア:

[(1, 7120880), (2, 3560440), (4, 1780220), (5, 1424176), (8, 890110), (10, 712088), (13, 547760), (16, 445055), (20, 356044), (26, 273880), (40, 178022), (41, 173680), (52, 136940), (65, 109552), (80, 89011), (82, 86840), (104, 68470), (130, 54776), (164, 43420), (167, 42640), (205, 34736), (208, 34235), (260, 27388), (328, 21710), (334, 21320), (410, 17368), (520, 13694), (533, 13360), (656, 10855), (668, 10660), (820, 8684), (835, 8528), (1040, 6847), (1066, 6680), (1336, 5330), (1640, 4342), (1670, 4264), (2132, 3340), (2171, 3280), (2665, 2672)]