87285220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{10723}}^1$

素因数の和:10780

約数の個数: 48

約数和(自身を含む): 205386048

約数和(自身を除く): 118100828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 4070, 8140, 10723, 21446, 42892, 53615, 107230, 117953, 214460, 235906, 396751, 471812, 589765, 793502, 1179530, 1587004, 1983755, 2359060, 3967510, 4364261, 7935020, 8728522, 17457044, 21821305, 43642610, 87285220]

約数ペア:

[(1, 87285220), (2, 43642610), (4, 21821305), (5, 17457044), (10, 8728522), (11, 7935020), (20, 4364261), (22, 3967510), (37, 2359060), (44, 1983755), (55, 1587004), (74, 1179530), (110, 793502), (148, 589765), (185, 471812), (220, 396751), (370, 235906), (407, 214460), (740, 117953), (814, 107230), (1628, 53615), (2035, 42892), (4070, 21446), (8140, 10723)]