80045240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1669}}^1$

素因数の和:1800

約数の個数: 64

約数和(自身を含む): 198396000

約数和(自身を除く): 118350760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 109, 110, 218, 220, 436, 440, 545, 872, 1090, 1199, 1669, 2180, 2398, 3338, 4360, 4796, 5995, 6676, 8345, 9592, 11990, 13352, 16690, 18359, 23980, 33380, 36718, 47960, 66760, 73436, 91795, 146872, 181921, 183590, 363842, 367180, 727684, 734360, 909605, 1455368, 1819210, 2001131, 3638420, 4002262, 7276840, 8004524, 10005655, 16009048, 20011310, 40022620, 80045240]

約数ペア:

[(1, 80045240), (2, 40022620), (4, 20011310), (5, 16009048), (8, 10005655), (10, 8004524), (11, 7276840), (20, 4002262), (22, 3638420), (40, 2001131), (44, 1819210), (55, 1455368), (88, 909605), (109, 734360), (110, 727684), (218, 367180), (220, 363842), (436, 183590), (440, 181921), (545, 146872), (872, 91795), (1090, 73436), (1199, 66760), (1669, 47960), (2180, 36718), (2398, 33380), (3338, 23980), (4360, 18359), (4796, 16690), (5995, 13352), (6676, 11990), (8345, 9592)]