20073874720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{93419}}^1$

素因数の和:93530

約数の個数: 96

約数和(自身を含む): 50850374400

約数和(自身を除く): 30776499680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 79, 80, 85, 136, 158, 160, 170, 272, 316, 340, 395, 544, 632, 680, 790, 1264, 1343, 1360, 1580, 2528, 2686, 2720, 3160, 5372, 6320, 6715, 10744, 12640, 13430, 21488, 26860, 42976, 53720, 93419, 107440, 186838, 214880, 373676, 467095, 747352, 934190, 1494704, 1588123, 1868380, 2989408, 3176246, 3736760, 6352492, 7380101, 7473520, 7940615, 12704984, 14760202, 14947040, 15881230, 25409968, 29520404, 31762460, 36900505, 50819936, 59040808, 63524920, 73801010, 118081616, 125461717, 127049840, 147602020, 236163232, 250923434, 254099680, 295204040, 501846868, 590408080, 627308585, 1003693736, 1180816160, 1254617170, 2007387472, 2509234340, 4014774944, 5018468680, 10036937360, 20073874720]

約数ペア:

[(1, 20073874720), (2, 10036937360), (4, 5018468680), (5, 4014774944), (8, 2509234340), (10, 2007387472), (16, 1254617170), (17, 1180816160), (20, 1003693736), (32, 627308585), (34, 590408080), (40, 501846868), (68, 295204040), (79, 254099680), (80, 250923434), (85, 236163232), (136, 147602020), (158, 127049840), (160, 125461717), (170, 118081616), (272, 73801010), (316, 63524920), (340, 59040808), (395, 50819936), (544, 36900505), (632, 31762460), (680, 29520404), (790, 25409968), (1264, 15881230), (1343, 14947040), (1360, 14760202), (1580, 12704984), (2528, 7940615), (2686, 7473520), (2720, 7380101), (3160, 6352492), (5372, 3736760), (6320, 3176246), (6715, 2989408), (10744, 1868380), (12640, 1588123), (13430, 1494704), (21488, 934190), (26860, 747352), (42976, 467095), (53720, 373676), (93419, 214880), (107440, 186838)]