40777721720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2767}}^1\times {\mathrm{19391}}^1$

素因数の和:22188

約数の個数: 64

約数和(自身を含む): 96618700800

約数和(自身を除く): 55840979080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 2767, 5534, 11068, 13835, 19391, 22136, 27670, 38782, 52573, 55340, 77564, 96955, 105146, 110680, 155128, 193910, 210292, 262865, 368429, 387820, 420584, 525730, 736858, 775640, 1051460, 1473716, 1842145, 2102920, 2947432, 3684290, 7368580, 14737160, 53654897, 107309794, 214619588, 268274485, 429239176, 536548970, 1019443043, 1073097940, 2038886086, 2146195880, 4077772172, 5097215215, 8155544344, 10194430430, 20388860860, 40777721720]

約数ペア:

[(1, 40777721720), (2, 20388860860), (4, 10194430430), (5, 8155544344), (8, 5097215215), (10, 4077772172), (19, 2146195880), (20, 2038886086), (38, 1073097940), (40, 1019443043), (76, 536548970), (95, 429239176), (152, 268274485), (190, 214619588), (380, 107309794), (760, 53654897), (2767, 14737160), (5534, 7368580), (11068, 3684290), (13835, 2947432), (19391, 2102920), (22136, 1842145), (27670, 1473716), (38782, 1051460), (52573, 775640), (55340, 736858), (77564, 525730), (96955, 420584), (105146, 387820), (110680, 368429), (155128, 262865), (193910, 210292)]