1316156920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{28439}}^1$

素因数の和:28552

約数の個数: 64

約数和(自身を含む): 3225096000

約数和(自身を除く): 1908939080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 89, 104, 130, 178, 260, 356, 445, 520, 712, 890, 1157, 1780, 2314, 3560, 4628, 5785, 9256, 11570, 23140, 28439, 46280, 56878, 113756, 142195, 227512, 284390, 369707, 568780, 739414, 1137560, 1478828, 1848535, 2531071, 2957656, 3697070, 5062142, 7394140, 10124284, 12655355, 14788280, 20248568, 25310710, 32903923, 50621420, 65807846, 101242840, 131615692, 164519615, 263231384, 329039230, 658078460, 1316156920]

約数ペア:

[(1, 1316156920), (2, 658078460), (4, 329039230), (5, 263231384), (8, 164519615), (10, 131615692), (13, 101242840), (20, 65807846), (26, 50621420), (40, 32903923), (52, 25310710), (65, 20248568), (89, 14788280), (104, 12655355), (130, 10124284), (178, 7394140), (260, 5062142), (356, 3697070), (445, 2957656), (520, 2531071), (712, 1848535), (890, 1478828), (1157, 1137560), (1780, 739414), (2314, 568780), (3560, 369707), (4628, 284390), (5785, 227512), (9256, 142195), (11570, 113756), (23140, 56878), (28439, 46280)]