40978210

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{919}}^1$

素因数の和:960

約数の個数: 64

約数和(自身を含む): 92736000

約数和(自身を除く): 51757790

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 343, 455, 490, 637, 686, 910, 919, 1274, 1715, 1838, 3185, 3430, 4459, 4595, 6370, 6433, 8918, 9190, 11947, 12866, 22295, 23894, 32165, 44590, 45031, 59735, 64330, 83629, 90062, 119470, 167258, 225155, 315217, 418145, 450310, 585403, 630434, 836290, 1170806, 1576085, 2927015, 3152170, 4097821, 5854030, 8195642, 20489105, 40978210]

約数ペア:

[(1, 40978210), (2, 20489105), (5, 8195642), (7, 5854030), (10, 4097821), (13, 3152170), (14, 2927015), (26, 1576085), (35, 1170806), (49, 836290), (65, 630434), (70, 585403), (91, 450310), (98, 418145), (130, 315217), (182, 225155), (245, 167258), (343, 119470), (455, 90062), (490, 83629), (637, 64330), (686, 59735), (910, 45031), (919, 44590), (1274, 32165), (1715, 23894), (1838, 22295), (3185, 12866), (3430, 11947), (4459, 9190), (4595, 8918), (6370, 6433)]