23511280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:123

約数の個数: 120

約数和(自身を含む): 62085312

約数和(自身を除く): 38574032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 47, 52, 65, 74, 80, 94, 104, 130, 148, 169, 185, 188, 208, 235, 260, 296, 338, 370, 376, 470, 481, 520, 592, 611, 676, 740, 752, 845, 940, 962, 1040, 1222, 1352, 1480, 1690, 1739, 1880, 1924, 2405, 2444, 2704, 2960, 3055, 3380, 3478, 3760, 3848, 4810, 4888, 6110, 6253, 6760, 6956, 7696, 7943, 8695, 9620, 9776, 12220, 12506, 13520, 13912, 15886, 17390, 19240, 22607, 24440, 25012, 27824, 31265, 31772, 34780, 38480, 39715, 45214, 48880, 50024, 62530, 63544, 69560, 79430, 90428, 100048, 113035, 125060, 127088, 139120, 158860, 180856, 226070, 250120, 293891, 317720, 361712, 452140, 500240, 587782, 635440, 904280, 1175564, 1469455, 1808560, 2351128, 2938910, 4702256, 5877820, 11755640, 23511280]

約数ペア:

[(1, 23511280), (2, 11755640), (4, 5877820), (5, 4702256), (8, 2938910), (10, 2351128), (13, 1808560), (16, 1469455), (20, 1175564), (26, 904280), (37, 635440), (40, 587782), (47, 500240), (52, 452140), (65, 361712), (74, 317720), (80, 293891), (94, 250120), (104, 226070), (130, 180856), (148, 158860), (169, 139120), (185, 127088), (188, 125060), (208, 113035), (235, 100048), (260, 90428), (296, 79430), (338, 69560), (370, 63544), (376, 62530), (470, 50024), (481, 48880), (520, 45214), (592, 39715), (611, 38480), (676, 34780), (740, 31772), (752, 31265), (845, 27824), (940, 25012), (962, 24440), (1040, 22607), (1222, 19240), (1352, 17390), (1480, 15886), (1690, 13912), (1739, 13520), (1880, 12506), (1924, 12220), (2405, 9776), (2444, 9620), (2704, 8695), (2960, 7943), (3055, 7696), (3380, 6956), (3478, 6760), (3760, 6253), (3848, 6110), (4810, 4888)]