71389760

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^2$

素因数の和:292

約数の個数: 84

約数和(自身を含む): 184481724

約数和(自身を除く): 113091964

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 131, 160, 208, 260, 262, 320, 416, 520, 524, 655, 832, 1040, 1048, 1310, 1703, 2080, 2096, 2620, 3406, 4160, 4192, 5240, 6812, 8384, 8515, 10480, 13624, 17030, 17161, 20960, 27248, 34060, 34322, 41920, 54496, 68120, 68644, 85805, 108992, 136240, 137288, 171610, 223093, 272480, 274576, 343220, 446186, 544960, 549152, 686440, 892372, 1098304, 1115465, 1372880, 1784744, 2230930, 2745760, 3569488, 4461860, 5491520, 7138976, 8923720, 14277952, 17847440, 35694880, 71389760]

約数ペア:

[(1, 71389760), (2, 35694880), (4, 17847440), (5, 14277952), (8, 8923720), (10, 7138976), (13, 5491520), (16, 4461860), (20, 3569488), (26, 2745760), (32, 2230930), (40, 1784744), (52, 1372880), (64, 1115465), (65, 1098304), (80, 892372), (104, 686440), (130, 549152), (131, 544960), (160, 446186), (208, 343220), (260, 274576), (262, 272480), (320, 223093), (416, 171610), (520, 137288), (524, 136240), (655, 108992), (832, 85805), (1040, 68644), (1048, 68120), (1310, 54496), (1703, 41920), (2080, 34322), (2096, 34060), (2620, 27248), (3406, 20960), (4160, 17161), (4192, 17030), (5240, 13624), (6812, 10480), (8384, 8515)]