40941420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{52489}}^1$

素因数の和:52514

約数の個数: 48

約数和(自身を含む): 123456480

約数和(自身を除く): 82515060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 52489, 104978, 157467, 209956, 262445, 314934, 524890, 629868, 682357, 787335, 1049780, 1364714, 1574670, 2047071, 2729428, 3149340, 3411785, 4094142, 6823570, 8188284, 10235355, 13647140, 20470710, 40941420]

約数ペア:

[(1, 40941420), (2, 20470710), (3, 13647140), (4, 10235355), (5, 8188284), (6, 6823570), (10, 4094142), (12, 3411785), (13, 3149340), (15, 2729428), (20, 2047071), (26, 1574670), (30, 1364714), (39, 1049780), (52, 787335), (60, 682357), (65, 629868), (78, 524890), (130, 314934), (156, 262445), (195, 209956), (260, 157467), (390, 104978), (780, 52489)]