66316750

素因数分解:

$2^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 131788800

約数和(自身を除く): 65472050

約数列:

[1, 2, 5, 10, 25, 31, 43, 50, 62, 86, 125, 155, 199, 215, 250, 310, 398, 430, 775, 995, 1075, 1333, 1550, 1990, 2150, 2666, 3875, 4975, 5375, 6169, 6665, 7750, 8557, 9950, 10750, 12338, 13330, 17114, 24875, 30845, 33325, 42785, 49750, 61690, 66650, 85570, 154225, 166625, 213925, 265267, 308450, 333250, 427850, 530534, 771125, 1069625, 1326335, 1542250, 2139250, 2652670, 6631675, 13263350, 33158375, 66316750]

約数ペア:

[(1, 66316750), (2, 33158375), (5, 13263350), (10, 6631675), (25, 2652670), (31, 2139250), (43, 1542250), (50, 1326335), (62, 1069625), (86, 771125), (125, 530534), (155, 427850), (199, 333250), (215, 308450), (250, 265267), (310, 213925), (398, 166625), (430, 154225), (775, 85570), (995, 66650), (1075, 61690), (1333, 49750), (1550, 42785), (1990, 33325), (2150, 30845), (2666, 24875), (3875, 17114), (4975, 13330), (5375, 12338), (6169, 10750), (6665, 9950), (7750, 8557)]