29875820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{8839}}^1$

素因数の和:8874

約数の個数: 36

約数和(自身を含む): 67944240

約数和(自身を除く): 38068420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 8839, 17678, 35356, 44195, 88390, 114907, 176780, 229814, 459628, 574535, 1149070, 1493791, 2298140, 2987582, 5975164, 7468955, 14937910, 29875820]

約数ペア:

[(1, 29875820), (2, 14937910), (4, 7468955), (5, 5975164), (10, 2987582), (13, 2298140), (20, 1493791), (26, 1149070), (52, 574535), (65, 459628), (130, 229814), (169, 176780), (260, 114907), (338, 88390), (676, 44195), (845, 35356), (1690, 17678), (3380, 8839)]