39504400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:209

約数の個数: 120

約数和(自身を含む): 104618304

約数和(自身を除く): 65113904

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 71, 80, 100, 104, 107, 130, 142, 200, 208, 214, 260, 284, 325, 355, 400, 428, 520, 535, 568, 650, 710, 856, 923, 1040, 1070, 1136, 1300, 1391, 1420, 1712, 1775, 1846, 2140, 2600, 2675, 2782, 2840, 3550, 3692, 4280, 4615, 5200, 5350, 5564, 5680, 6955, 7100, 7384, 7597, 8560, 9230, 10700, 11128, 13910, 14200, 14768, 15194, 18460, 21400, 22256, 23075, 27820, 28400, 30388, 34775, 36920, 37985, 42800, 46150, 55640, 60776, 69550, 73840, 75970, 92300, 98761, 111280, 121552, 139100, 151940, 184600, 189925, 197522, 278200, 303880, 369200, 379850, 395044, 493805, 556400, 607760, 759700, 790088, 987610, 1519400, 1580176, 1975220, 2469025, 3038800, 3950440, 4938050, 7900880, 9876100, 19752200, 39504400]

約数ペア:

[(1, 39504400), (2, 19752200), (4, 9876100), (5, 7900880), (8, 4938050), (10, 3950440), (13, 3038800), (16, 2469025), (20, 1975220), (25, 1580176), (26, 1519400), (40, 987610), (50, 790088), (52, 759700), (65, 607760), (71, 556400), (80, 493805), (100, 395044), (104, 379850), (107, 369200), (130, 303880), (142, 278200), (200, 197522), (208, 189925), (214, 184600), (260, 151940), (284, 139100), (325, 121552), (355, 111280), (400, 98761), (428, 92300), (520, 75970), (535, 73840), (568, 69550), (650, 60776), (710, 55640), (856, 46150), (923, 42800), (1040, 37985), (1070, 36920), (1136, 34775), (1300, 30388), (1391, 28400), (1420, 27820), (1712, 23075), (1775, 22256), (1846, 21400), (2140, 18460), (2600, 15194), (2675, 14768), (2782, 14200), (2840, 13910), (3550, 11128), (3692, 10700), (4280, 9230), (4615, 8560), (5200, 7597), (5350, 7384), (5564, 7100), (5680, 6955)]