11720649160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{709}}^1\times {\mathrm{37571}}^1$

素因数の和:38302

約数の個数: 64

約数和(自身を含む): 28810209600

約数和(自身を除く): 17089560440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 709, 1418, 2836, 3545, 5672, 7090, 7799, 14180, 15598, 28360, 31196, 37571, 38995, 62392, 75142, 77990, 150284, 155980, 187855, 300568, 311960, 375710, 413281, 751420, 826562, 1502840, 1653124, 2066405, 3306248, 4132810, 8265620, 16531240, 26637839, 53275678, 106551356, 133189195, 213102712, 266378390, 293016229, 532756780, 586032458, 1065513560, 1172064916, 1465081145, 2344129832, 2930162290, 5860324580, 11720649160]

約数ペア:

[(1, 11720649160), (2, 5860324580), (4, 2930162290), (5, 2344129832), (8, 1465081145), (10, 1172064916), (11, 1065513560), (20, 586032458), (22, 532756780), (40, 293016229), (44, 266378390), (55, 213102712), (88, 133189195), (110, 106551356), (220, 53275678), (440, 26637839), (709, 16531240), (1418, 8265620), (2836, 4132810), (3545, 3306248), (5672, 2066405), (7090, 1653124), (7799, 1502840), (14180, 826562), (15598, 751420), (28360, 413281), (31196, 375710), (37571, 311960), (38995, 300568), (62392, 187855), (75142, 155980), (77990, 150284)]