27816880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3821}}^1$

素因数の和:3854

約数の個数: 80

約数和(自身を含む): 79619904

約数和(自身を除く): 51803024

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 3821, 7280, 7642, 15284, 19105, 26747, 30568, 38210, 49673, 53494, 61136, 76420, 99346, 106988, 133735, 152840, 198692, 213976, 248365, 267470, 305680, 347711, 397384, 427952, 496730, 534940, 695422, 794768, 993460, 1069880, 1390844, 1738555, 1986920, 2139760, 2781688, 3477110, 3973840, 5563376, 6954220, 13908440, 27816880]

約数ペア:

[(1, 27816880), (2, 13908440), (4, 6954220), (5, 5563376), (7, 3973840), (8, 3477110), (10, 2781688), (13, 2139760), (14, 1986920), (16, 1738555), (20, 1390844), (26, 1069880), (28, 993460), (35, 794768), (40, 695422), (52, 534940), (56, 496730), (65, 427952), (70, 397384), (80, 347711), (91, 305680), (104, 267470), (112, 248365), (130, 213976), (140, 198692), (182, 152840), (208, 133735), (260, 106988), (280, 99346), (364, 76420), (455, 61136), (520, 53494), (560, 49673), (728, 38210), (910, 30568), (1040, 26747), (1456, 19105), (1820, 15284), (3640, 7642), (3821, 7280)]