91124240

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:408

約数の個数: 80

約数和(自身を含む): 219200256

約数和(自身を除く): 128076016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 71, 80, 122, 142, 244, 263, 284, 305, 355, 488, 526, 568, 610, 710, 976, 1052, 1136, 1220, 1315, 1420, 2104, 2440, 2630, 2840, 4208, 4331, 4880, 5260, 5680, 8662, 10520, 16043, 17324, 18673, 21040, 21655, 32086, 34648, 37346, 43310, 64172, 69296, 74692, 80215, 86620, 93365, 128344, 149384, 160430, 173240, 186730, 256688, 298768, 320860, 346480, 373460, 641720, 746920, 1139053, 1283440, 1493840, 2278106, 4556212, 5695265, 9112424, 11390530, 18224848, 22781060, 45562120, 91124240]

約数ペア:

[(1, 91124240), (2, 45562120), (4, 22781060), (5, 18224848), (8, 11390530), (10, 9112424), (16, 5695265), (20, 4556212), (40, 2278106), (61, 1493840), (71, 1283440), (80, 1139053), (122, 746920), (142, 641720), (244, 373460), (263, 346480), (284, 320860), (305, 298768), (355, 256688), (488, 186730), (526, 173240), (568, 160430), (610, 149384), (710, 128344), (976, 93365), (1052, 86620), (1136, 80215), (1220, 74692), (1315, 69296), (1420, 64172), (2104, 43310), (2440, 37346), (2630, 34648), (2840, 32086), (4208, 21655), (4331, 21040), (4880, 18673), (5260, 17324), (5680, 16043), (8662, 10520)]