85041680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{647}}^1$

素因数の和:744

約数の個数: 80

約数和(自身を含む): 208272384

約数和(自身を除く): 123230704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 53, 62, 80, 106, 124, 155, 212, 248, 265, 310, 424, 496, 530, 620, 647, 848, 1060, 1240, 1294, 1643, 2120, 2480, 2588, 3235, 3286, 4240, 5176, 6470, 6572, 8215, 10352, 12940, 13144, 16430, 20057, 25880, 26288, 32860, 34291, 40114, 51760, 65720, 68582, 80228, 100285, 131440, 137164, 160456, 171455, 200570, 274328, 320912, 342910, 401140, 548656, 685820, 802280, 1063021, 1371640, 1604560, 2126042, 2743280, 4252084, 5315105, 8504168, 10630210, 17008336, 21260420, 42520840, 85041680]

約数ペア:

[(1, 85041680), (2, 42520840), (4, 21260420), (5, 17008336), (8, 10630210), (10, 8504168), (16, 5315105), (20, 4252084), (31, 2743280), (40, 2126042), (53, 1604560), (62, 1371640), (80, 1063021), (106, 802280), (124, 685820), (155, 548656), (212, 401140), (248, 342910), (265, 320912), (310, 274328), (424, 200570), (496, 171455), (530, 160456), (620, 137164), (647, 131440), (848, 100285), (1060, 80228), (1240, 68582), (1294, 65720), (1643, 51760), (2120, 40114), (2480, 34291), (2588, 32860), (3235, 26288), (3286, 25880), (4240, 20057), (5176, 16430), (6470, 13144), (6572, 12940), (8215, 10352)]