40826760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26171}}^1$

素因数の和:26198

約数の個数: 64

約数和(自身を含む): 131906880

約数和(自身を除く): 91080120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 26171, 52342, 78513, 104684, 130855, 157026, 209368, 261710, 314052, 340223, 392565, 523420, 628104, 680446, 785130, 1020669, 1046840, 1360892, 1570260, 1701115, 2041338, 2721784, 3140520, 3402230, 4082676, 5103345, 6804460, 8165352, 10206690, 13608920, 20413380, 40826760]

約数ペア:

[(1, 40826760), (2, 20413380), (3, 13608920), (4, 10206690), (5, 8165352), (6, 6804460), (8, 5103345), (10, 4082676), (12, 3402230), (13, 3140520), (15, 2721784), (20, 2041338), (24, 1701115), (26, 1570260), (30, 1360892), (39, 1046840), (40, 1020669), (52, 785130), (60, 680446), (65, 628104), (78, 523420), (104, 392565), (120, 340223), (130, 314052), (156, 261710), (195, 209368), (260, 157026), (312, 130855), (390, 104684), (520, 78513), (780, 52342), (1560, 26171)]