89736320

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4523}}^1$

素因数の和:4573

約数の個数: 64

約数和(自身を含む): 221495040

約数和(自身を除く): 131758720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4523, 4960, 9046, 9920, 18092, 19840, 22615, 36184, 45230, 72368, 90460, 140213, 144736, 180920, 280426, 289472, 361840, 560852, 578944, 701065, 723680, 1121704, 1402130, 1447360, 2243408, 2804260, 2894720, 4486816, 5608520, 8973632, 11217040, 17947264, 22434080, 44868160, 89736320]

約数ペア:

[(1, 89736320), (2, 44868160), (4, 22434080), (5, 17947264), (8, 11217040), (10, 8973632), (16, 5608520), (20, 4486816), (31, 2894720), (32, 2804260), (40, 2243408), (62, 1447360), (64, 1402130), (80, 1121704), (124, 723680), (128, 701065), (155, 578944), (160, 560852), (248, 361840), (310, 289472), (320, 280426), (496, 180920), (620, 144736), (640, 140213), (992, 90460), (1240, 72368), (1984, 45230), (2480, 36184), (3968, 22615), (4523, 19840), (4960, 18092), (9046, 9920)]