2005037720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1993}}^1\times {\mathrm{3593}}^1$

素因数の和:5604

約数の個数: 64

約数和(自身を含む): 5159833920

約数和(自身を除く): 3154796200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1993, 3593, 3986, 7186, 7972, 9965, 13951, 14372, 15944, 17965, 19930, 25151, 27902, 28744, 35930, 39860, 50302, 55804, 69755, 71860, 79720, 100604, 111608, 125755, 139510, 143720, 201208, 251510, 279020, 503020, 558040, 1006040, 7160849, 14321698, 28643396, 35804245, 50125943, 57286792, 71608490, 100251886, 143216980, 200503772, 250629715, 286433960, 401007544, 501259430, 1002518860, 2005037720]

約数ペア:

[(1, 2005037720), (2, 1002518860), (4, 501259430), (5, 401007544), (7, 286433960), (8, 250629715), (10, 200503772), (14, 143216980), (20, 100251886), (28, 71608490), (35, 57286792), (40, 50125943), (56, 35804245), (70, 28643396), (140, 14321698), (280, 7160849), (1993, 1006040), (3593, 558040), (3986, 503020), (7186, 279020), (7972, 251510), (9965, 201208), (13951, 143720), (14372, 139510), (15944, 125755), (17965, 111608), (19930, 100604), (25151, 79720), (27902, 71860), (28744, 69755), (35930, 55804), (39860, 50302)]