27996280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3167}}^1$

素因数の和:3208

約数の個数: 64

約数和(自身を含む): 71850240

約数和(自身を除く): 43853960

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 3167, 4420, 6334, 8840, 12668, 15835, 25336, 31670, 41171, 53839, 63340, 82342, 107678, 126680, 164684, 205855, 215356, 269195, 329368, 411710, 430712, 538390, 699907, 823420, 1076780, 1399814, 1646840, 2153560, 2799628, 3499535, 5599256, 6999070, 13998140, 27996280]

約数ペア:

[(1, 27996280), (2, 13998140), (4, 6999070), (5, 5599256), (8, 3499535), (10, 2799628), (13, 2153560), (17, 1646840), (20, 1399814), (26, 1076780), (34, 823420), (40, 699907), (52, 538390), (65, 430712), (68, 411710), (85, 329368), (104, 269195), (130, 215356), (136, 205855), (170, 164684), (221, 126680), (260, 107678), (340, 82342), (442, 63340), (520, 53839), (680, 41171), (884, 31670), (1105, 25336), (1768, 15835), (2210, 12668), (3167, 8840), (4420, 6334)]