17494880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{647}}^1$

素因数の和:688

約数の個数: 72

約数和(自身を含む): 44824752

約数和(自身を除く): 27329872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 647, 676, 845, 1040, 1294, 1352, 1690, 2080, 2588, 2704, 3235, 3380, 5176, 5408, 6470, 6760, 8411, 10352, 12940, 13520, 16822, 20704, 25880, 27040, 33644, 42055, 51760, 67288, 84110, 103520, 109343, 134576, 168220, 218686, 269152, 336440, 437372, 546715, 672880, 874744, 1093430, 1345760, 1749488, 2186860, 3498976, 4373720, 8747440, 17494880]

約数ペア:

[(1, 17494880), (2, 8747440), (4, 4373720), (5, 3498976), (8, 2186860), (10, 1749488), (13, 1345760), (16, 1093430), (20, 874744), (26, 672880), (32, 546715), (40, 437372), (52, 336440), (65, 269152), (80, 218686), (104, 168220), (130, 134576), (160, 109343), (169, 103520), (208, 84110), (260, 67288), (338, 51760), (416, 42055), (520, 33644), (647, 27040), (676, 25880), (845, 20704), (1040, 16822), (1294, 13520), (1352, 12940), (1690, 10352), (2080, 8411), (2588, 6760), (2704, 6470), (3235, 5408), (3380, 5176)]