65988020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{12739}}^1$

素因数の和:12792

約数の個数: 48

約数和(自身を含む): 162664320

約数和(自身を除く): 96676300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 12739, 25478, 50956, 63695, 89173, 127390, 178346, 254780, 356692, 445865, 471343, 891730, 942686, 1783460, 1885372, 2356715, 3299401, 4713430, 6598802, 9426860, 13197604, 16497005, 32994010, 65988020]

約数ペア:

[(1, 65988020), (2, 32994010), (4, 16497005), (5, 13197604), (7, 9426860), (10, 6598802), (14, 4713430), (20, 3299401), (28, 2356715), (35, 1885372), (37, 1783460), (70, 942686), (74, 891730), (140, 471343), (148, 445865), (185, 356692), (259, 254780), (370, 178346), (518, 127390), (740, 89173), (1036, 63695), (1295, 50956), (2590, 25478), (5180, 12739)]