87438650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:276

約数の個数: 96

約数和(自身を含む): 190956528

約数和(自身を除く): 103517878

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 41, 50, 65, 82, 85, 130, 170, 193, 205, 221, 325, 386, 410, 425, 442, 533, 650, 697, 850, 965, 1025, 1066, 1105, 1394, 1930, 2050, 2210, 2509, 2665, 3281, 3485, 4825, 5018, 5330, 5525, 6562, 6970, 7913, 9061, 9650, 11050, 12545, 13325, 15826, 16405, 17425, 18122, 25090, 26650, 32810, 34850, 39565, 42653, 45305, 62725, 79130, 82025, 85306, 90610, 102869, 125450, 134521, 164050, 197825, 205738, 213265, 226525, 269042, 395650, 426530, 453050, 514345, 672605, 1028690, 1066325, 1345210, 1748773, 2132650, 2571725, 3363025, 3497546, 5143450, 6726050, 8743865, 17487730, 43719325, 87438650]

約数ペア:

[(1, 87438650), (2, 43719325), (5, 17487730), (10, 8743865), (13, 6726050), (17, 5143450), (25, 3497546), (26, 3363025), (34, 2571725), (41, 2132650), (50, 1748773), (65, 1345210), (82, 1066325), (85, 1028690), (130, 672605), (170, 514345), (193, 453050), (205, 426530), (221, 395650), (325, 269042), (386, 226525), (410, 213265), (425, 205738), (442, 197825), (533, 164050), (650, 134521), (697, 125450), (850, 102869), (965, 90610), (1025, 85306), (1066, 82025), (1105, 79130), (1394, 62725), (1930, 45305), (2050, 42653), (2210, 39565), (2509, 34850), (2665, 32810), (3281, 26650), (3485, 25090), (4825, 18122), (5018, 17425), (5330, 16405), (5525, 15826), (6562, 13325), (6970, 12545), (7913, 11050), (9061, 9650)]