64866920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1069}}^1$

素因数の和:1158

約数の個数: 64

約数和(自身を含む): 153694800

約数和(自身を除く): 88827880

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 41, 74, 82, 148, 164, 185, 205, 296, 328, 370, 410, 740, 820, 1069, 1480, 1517, 1640, 2138, 3034, 4276, 5345, 6068, 7585, 8552, 10690, 12136, 15170, 21380, 30340, 39553, 42760, 43829, 60680, 79106, 87658, 158212, 175316, 197765, 219145, 316424, 350632, 395530, 438290, 791060, 876580, 1582120, 1621673, 1753160, 3243346, 6486692, 8108365, 12973384, 16216730, 32433460, 64866920]

約数ペア:

[(1, 64866920), (2, 32433460), (4, 16216730), (5, 12973384), (8, 8108365), (10, 6486692), (20, 3243346), (37, 1753160), (40, 1621673), (41, 1582120), (74, 876580), (82, 791060), (148, 438290), (164, 395530), (185, 350632), (205, 316424), (296, 219145), (328, 197765), (370, 175316), (410, 158212), (740, 87658), (820, 79106), (1069, 60680), (1480, 43829), (1517, 42760), (1640, 39553), (2138, 30340), (3034, 21380), (4276, 15170), (5345, 12136), (6068, 10690), (7585, 8552)]