7824440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 19474560

約数和(自身を除く): 11650120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 367, 410, 520, 533, 734, 820, 1066, 1468, 1640, 1835, 2132, 2665, 2936, 3670, 4264, 4771, 5330, 7340, 9542, 10660, 14680, 15047, 19084, 21320, 23855, 30094, 38168, 47710, 60188, 75235, 95420, 120376, 150470, 190840, 195611, 300940, 391222, 601880, 782444, 978055, 1564888, 1956110, 3912220, 7824440]

約数ペア:

[(1, 7824440), (2, 3912220), (4, 1956110), (5, 1564888), (8, 978055), (10, 782444), (13, 601880), (20, 391222), (26, 300940), (40, 195611), (41, 190840), (52, 150470), (65, 120376), (82, 95420), (104, 75235), (130, 60188), (164, 47710), (205, 38168), (260, 30094), (328, 23855), (367, 21320), (410, 19084), (520, 15047), (533, 14680), (734, 10660), (820, 9542), (1066, 7340), (1468, 5330), (1640, 4771), (1835, 4264), (2132, 3670), (2665, 2936)]