26691860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 62256600

約数和(自身を除く): 35564740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 149, 169, 212, 260, 265, 298, 338, 530, 596, 676, 689, 745, 845, 1060, 1378, 1490, 1690, 1937, 2756, 2980, 3380, 3445, 3874, 6890, 7748, 7897, 8957, 9685, 13780, 15794, 17914, 19370, 25181, 31588, 35828, 38740, 39485, 44785, 50362, 78970, 89570, 100724, 102661, 125905, 157940, 179140, 205322, 251810, 410644, 503620, 513305, 1026610, 1334593, 2053220, 2669186, 5338372, 6672965, 13345930, 26691860]

約数ペア:

[(1, 26691860), (2, 13345930), (4, 6672965), (5, 5338372), (10, 2669186), (13, 2053220), (20, 1334593), (26, 1026610), (52, 513305), (53, 503620), (65, 410644), (106, 251810), (130, 205322), (149, 179140), (169, 157940), (212, 125905), (260, 102661), (265, 100724), (298, 89570), (338, 78970), (530, 50362), (596, 44785), (676, 39485), (689, 38740), (745, 35828), (845, 31588), (1060, 25181), (1378, 19370), (1490, 17914), (1690, 15794), (1937, 13780), (2756, 9685), (2980, 8957), (3380, 7897), (3445, 7748), (3874, 6890)]