65772520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1801}}^1$

素因数の和:1906

約数の個数: 64

約数和(自身を含む): 163477440

約数和(自身を除く): 97704920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 83, 88, 110, 166, 220, 332, 415, 440, 664, 830, 913, 1660, 1801, 1826, 3320, 3602, 3652, 4565, 7204, 7304, 9005, 9130, 14408, 18010, 18260, 19811, 36020, 36520, 39622, 72040, 79244, 99055, 149483, 158488, 198110, 298966, 396220, 597932, 747415, 792440, 1195864, 1494830, 1644313, 2989660, 3288626, 5979320, 6577252, 8221565, 13154504, 16443130, 32886260, 65772520]

約数ペア:

[(1, 65772520), (2, 32886260), (4, 16443130), (5, 13154504), (8, 8221565), (10, 6577252), (11, 5979320), (20, 3288626), (22, 2989660), (40, 1644313), (44, 1494830), (55, 1195864), (83, 792440), (88, 747415), (110, 597932), (166, 396220), (220, 298966), (332, 198110), (415, 158488), (440, 149483), (664, 99055), (830, 79244), (913, 72040), (1660, 39622), (1801, 36520), (1826, 36020), (3320, 19811), (3602, 18260), (3652, 18010), (4565, 14408), (7204, 9130), (7304, 9005)]