89977840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{619}}^1$

素因数の和:734

約数の個数: 80

約数和(自身を含む): 221414400

約数和(自身を除く): 131436560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 79, 80, 92, 115, 158, 184, 230, 316, 368, 395, 460, 619, 632, 790, 920, 1238, 1264, 1580, 1817, 1840, 2476, 3095, 3160, 3634, 4952, 6190, 6320, 7268, 9085, 9904, 12380, 14237, 14536, 18170, 24760, 28474, 29072, 36340, 48901, 49520, 56948, 71185, 72680, 97802, 113896, 142370, 145360, 195604, 227792, 244505, 284740, 391208, 489010, 569480, 782416, 978020, 1124723, 1138960, 1956040, 2249446, 3912080, 4498892, 5623615, 8997784, 11247230, 17995568, 22494460, 44988920, 89977840]

約数ペア:

[(1, 89977840), (2, 44988920), (4, 22494460), (5, 17995568), (8, 11247230), (10, 8997784), (16, 5623615), (20, 4498892), (23, 3912080), (40, 2249446), (46, 1956040), (79, 1138960), (80, 1124723), (92, 978020), (115, 782416), (158, 569480), (184, 489010), (230, 391208), (316, 284740), (368, 244505), (395, 227792), (460, 195604), (619, 145360), (632, 142370), (790, 113896), (920, 97802), (1238, 72680), (1264, 71185), (1580, 56948), (1817, 49520), (1840, 48901), (2476, 36340), (3095, 29072), (3160, 28474), (3634, 24760), (4952, 18170), (6190, 14536), (6320, 14237), (7268, 12380), (9085, 9904)]