2066789840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{19381}}^1$

素因数の和:19468

約数の個数: 80

約数和(自身を含む): 5075913216

約数和(自身を除く): 3009123376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 80, 86, 124, 155, 172, 215, 248, 310, 344, 430, 496, 620, 688, 860, 1240, 1333, 1720, 2480, 2666, 3440, 5332, 6665, 10664, 13330, 19381, 21328, 26660, 38762, 53320, 77524, 96905, 106640, 155048, 193810, 310096, 387620, 600811, 775240, 833383, 1201622, 1550480, 1666766, 2403244, 3004055, 3333532, 4166915, 4806488, 6008110, 6667064, 8333830, 9612976, 12016220, 13334128, 16667660, 24032440, 25834873, 33335320, 48064880, 51669746, 66670640, 103339492, 129174365, 206678984, 258348730, 413357968, 516697460, 1033394920, 2066789840]

約数ペア:

[(1, 2066789840), (2, 1033394920), (4, 516697460), (5, 413357968), (8, 258348730), (10, 206678984), (16, 129174365), (20, 103339492), (31, 66670640), (40, 51669746), (43, 48064880), (62, 33335320), (80, 25834873), (86, 24032440), (124, 16667660), (155, 13334128), (172, 12016220), (215, 9612976), (248, 8333830), (310, 6667064), (344, 6008110), (430, 4806488), (496, 4166915), (620, 3333532), (688, 3004055), (860, 2403244), (1240, 1666766), (1333, 1550480), (1720, 1201622), (2480, 833383), (2666, 775240), (3440, 600811), (5332, 387620), (6665, 310096), (10664, 193810), (13330, 155048), (19381, 106640), (21328, 96905), (26660, 77524), (38762, 53320)]