52128050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:268

約数の個数: 72

約数和(自身を含む): 108921600

約数和(自身を除く): 56793550

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 169, 199, 310, 325, 338, 398, 403, 650, 775, 806, 845, 995, 1550, 1690, 1990, 2015, 2587, 4030, 4225, 4975, 5174, 5239, 6169, 8450, 9950, 10075, 10478, 12338, 12935, 20150, 25870, 26195, 30845, 33631, 52390, 61690, 64675, 67262, 80197, 129350, 130975, 154225, 160394, 168155, 261950, 308450, 336310, 400985, 801970, 840775, 1042561, 1681550, 2004925, 2085122, 4009850, 5212805, 10425610, 26064025, 52128050]

約数ペア:

[(1, 52128050), (2, 26064025), (5, 10425610), (10, 5212805), (13, 4009850), (25, 2085122), (26, 2004925), (31, 1681550), (50, 1042561), (62, 840775), (65, 801970), (130, 400985), (155, 336310), (169, 308450), (199, 261950), (310, 168155), (325, 160394), (338, 154225), (398, 130975), (403, 129350), (650, 80197), (775, 67262), (806, 64675), (845, 61690), (995, 52390), (1550, 33631), (1690, 30845), (1990, 26195), (2015, 25870), (2587, 20150), (4030, 12935), (4225, 12338), (4975, 10478), (5174, 10075), (5239, 9950), (6169, 8450)]