16650528080

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1601}}^1\times {\mathrm{1831}}^1$

素因数の和:3516

約数の個数: 80

約数和(自身を含む): 39303698688

約数和(自身を除く): 22653170608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 1601, 1831, 2840, 3202, 3662, 5680, 6404, 7324, 8005, 9155, 12808, 14648, 16010, 18310, 25616, 29296, 32020, 36620, 64040, 73240, 113671, 128080, 130001, 146480, 227342, 260002, 454684, 520004, 568355, 650005, 909368, 1040008, 1136710, 1300010, 1818736, 2080016, 2273420, 2600020, 2931431, 4546840, 5200040, 5862862, 9093680, 10400080, 11725724, 14657155, 23451448, 29314310, 46902896, 58628620, 117257240, 208131601, 234514480, 416263202, 832526404, 1040658005, 1665052808, 2081316010, 3330105616, 4162632020, 8325264040, 16650528080]

約数ペア:

[(1, 16650528080), (2, 8325264040), (4, 4162632020), (5, 3330105616), (8, 2081316010), (10, 1665052808), (16, 1040658005), (20, 832526404), (40, 416263202), (71, 234514480), (80, 208131601), (142, 117257240), (284, 58628620), (355, 46902896), (568, 29314310), (710, 23451448), (1136, 14657155), (1420, 11725724), (1601, 10400080), (1831, 9093680), (2840, 5862862), (3202, 5200040), (3662, 4546840), (5680, 2931431), (6404, 2600020), (7324, 2273420), (8005, 2080016), (9155, 1818736), (12808, 1300010), (14648, 1136710), (16010, 1040008), (18310, 909368), (25616, 650005), (29296, 568355), (32020, 520004), (36620, 454684), (64040, 260002), (73240, 227342), (113671, 146480), (128080, 130001)]