87260420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:285

約数の個数: 96

約数和(自身を含む): 208293120

約数和(自身を除く): 121032700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 71, 116, 130, 142, 145, 163, 260, 284, 290, 326, 355, 377, 580, 652, 710, 754, 815, 923, 1420, 1508, 1630, 1846, 1885, 2059, 2119, 3260, 3692, 3770, 4118, 4238, 4615, 4727, 7540, 8236, 8476, 9230, 9454, 10295, 10595, 11573, 18460, 18908, 20590, 21190, 23146, 23635, 26767, 41180, 42380, 46292, 47270, 53534, 57865, 61451, 94540, 107068, 115730, 122902, 133835, 150449, 231460, 245804, 267670, 300898, 307255, 335617, 535340, 601796, 614510, 671234, 752245, 1229020, 1342468, 1504490, 1678085, 3008980, 3356170, 4363021, 6712340, 8726042, 17452084, 21815105, 43630210, 87260420]

約数ペア:

[(1, 87260420), (2, 43630210), (4, 21815105), (5, 17452084), (10, 8726042), (13, 6712340), (20, 4363021), (26, 3356170), (29, 3008980), (52, 1678085), (58, 1504490), (65, 1342468), (71, 1229020), (116, 752245), (130, 671234), (142, 614510), (145, 601796), (163, 535340), (260, 335617), (284, 307255), (290, 300898), (326, 267670), (355, 245804), (377, 231460), (580, 150449), (652, 133835), (710, 122902), (754, 115730), (815, 107068), (923, 94540), (1420, 61451), (1508, 57865), (1630, 53534), (1846, 47270), (1885, 46292), (2059, 42380), (2119, 41180), (3260, 26767), (3692, 23635), (3770, 23146), (4118, 21190), (4238, 20590), (4615, 18908), (4727, 18460), (7540, 11573), (8236, 10595), (8476, 10295), (9230, 9454)]