80345720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22073}}^1$

素因数の和:22104

約数の個数: 64

約数和(自身を含む): 222505920

約数和(自身を除く): 142160200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 22073, 44146, 88292, 110365, 154511, 176584, 220730, 286949, 309022, 441460, 573898, 618044, 772555, 882920, 1147796, 1236088, 1434745, 1545110, 2008643, 2295592, 2869490, 3090220, 4017286, 5738980, 6180440, 8034572, 10043215, 11477960, 16069144, 20086430, 40172860, 80345720]

約数ペア:

[(1, 80345720), (2, 40172860), (4, 20086430), (5, 16069144), (7, 11477960), (8, 10043215), (10, 8034572), (13, 6180440), (14, 5738980), (20, 4017286), (26, 3090220), (28, 2869490), (35, 2295592), (40, 2008643), (52, 1545110), (56, 1434745), (65, 1236088), (70, 1147796), (91, 882920), (104, 772555), (130, 618044), (140, 573898), (182, 441460), (260, 309022), (280, 286949), (364, 220730), (455, 176584), (520, 154511), (728, 110365), (910, 88292), (1820, 44146), (3640, 22073)]