13550720

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{683}}^1$

素因数の和:733

約数の個数: 64

約数和(自身を含む): 33488640

約数和(自身を除く): 19937920

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, 683, 992, 1240, 1366, 1984, 2480, 2732, 3415, 3968, 4960, 5464, 6830, 9920, 10928, 13660, 19840, 21173, 21856, 27320, 42346, 43712, 54640, 84692, 87424, 105865, 109280, 169384, 211730, 218560, 338768, 423460, 437120, 677536, 846920, 1355072, 1693840, 2710144, 3387680, 6775360, 13550720]

約数ペア:

[(1, 13550720), (2, 6775360), (4, 3387680), (5, 2710144), (8, 1693840), (10, 1355072), (16, 846920), (20, 677536), (31, 437120), (32, 423460), (40, 338768), (62, 218560), (64, 211730), (80, 169384), (124, 109280), (128, 105865), (155, 87424), (160, 84692), (248, 54640), (310, 43712), (320, 42346), (496, 27320), (620, 21856), (640, 21173), (683, 19840), (992, 13660), (1240, 10928), (1366, 9920), (1984, 6830), (2480, 5464), (2732, 4960), (3415, 3968)]