12821380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4483}}^1$

素因数の和:4516

約数の個数: 48

約数和(自身を含む): 31639104

約数和(自身を除く): 18817724

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 4483, 8966, 17932, 22415, 44830, 49313, 58279, 89660, 98626, 116558, 197252, 233116, 246565, 291395, 493130, 582790, 641069, 986260, 1165580, 1282138, 2564276, 3205345, 6410690, 12821380]

約数ペア:

[(1, 12821380), (2, 6410690), (4, 3205345), (5, 2564276), (10, 1282138), (11, 1165580), (13, 986260), (20, 641069), (22, 582790), (26, 493130), (44, 291395), (52, 246565), (55, 233116), (65, 197252), (110, 116558), (130, 98626), (143, 89660), (220, 58279), (260, 49313), (286, 44830), (572, 22415), (715, 17932), (1430, 8966), (2860, 4483)]