80505760

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16231}}^1$

素因数の和:16277

約数の個数: 48

約数和(自身を含む): 196342272

約数和(自身を除く): 115836512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 16231, 32462, 64924, 81155, 129848, 162310, 259696, 324620, 503161, 519392, 649240, 1006322, 1298480, 2012644, 2515805, 2596960, 4025288, 5031610, 8050576, 10063220, 16101152, 20126440, 40252880, 80505760]

約数ペア:

[(1, 80505760), (2, 40252880), (4, 20126440), (5, 16101152), (8, 10063220), (10, 8050576), (16, 5031610), (20, 4025288), (31, 2596960), (32, 2515805), (40, 2012644), (62, 1298480), (80, 1006322), (124, 649240), (155, 519392), (160, 503161), (248, 324620), (310, 259696), (496, 162310), (620, 129848), (992, 81155), (1240, 64924), (2480, 32462), (4960, 16231)]