1647652840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{9091}}^1$

素因数の和:9322

約数の個数: 64

約数和(自身を含む): 3888466560

約数和(自身を除く): 2240813720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 197, 230, 394, 460, 788, 920, 985, 1576, 1970, 3940, 4531, 7880, 9062, 9091, 18124, 18182, 22655, 36248, 36364, 45310, 45455, 72728, 90620, 90910, 181240, 181820, 209093, 363640, 418186, 836372, 1045465, 1672744, 1790927, 2090930, 3581854, 4181860, 7163708, 8363720, 8954635, 14327416, 17909270, 35818540, 41191321, 71637080, 82382642, 164765284, 205956605, 329530568, 411913210, 823826420, 1647652840]

約数ペア:

[(1, 1647652840), (2, 823826420), (4, 411913210), (5, 329530568), (8, 205956605), (10, 164765284), (20, 82382642), (23, 71637080), (40, 41191321), (46, 35818540), (92, 17909270), (115, 14327416), (184, 8954635), (197, 8363720), (230, 7163708), (394, 4181860), (460, 3581854), (788, 2090930), (920, 1790927), (985, 1672744), (1576, 1045465), (1970, 836372), (3940, 418186), (4531, 363640), (7880, 209093), (9062, 181820), (9091, 181240), (18124, 90910), (18182, 90620), (22655, 72728), (36248, 45455), (36364, 45310)]