12766420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{349}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 28224000

約数和(自身を除く): 15457580

約数列:

[1, 2, 4, 5, 10, 20, 31, 59, 62, 118, 124, 155, 236, 295, 310, 349, 590, 620, 698, 1180, 1396, 1745, 1829, 3490, 3658, 6980, 7316, 9145, 10819, 18290, 20591, 21638, 36580, 41182, 43276, 54095, 82364, 102955, 108190, 205910, 216380, 411820, 638321, 1276642, 2553284, 3191605, 6383210, 12766420]

約数ペア:

[(1, 12766420), (2, 6383210), (4, 3191605), (5, 2553284), (10, 1276642), (20, 638321), (31, 411820), (59, 216380), (62, 205910), (118, 108190), (124, 102955), (155, 82364), (236, 54095), (295, 43276), (310, 41182), (349, 36580), (590, 21638), (620, 20591), (698, 18290), (1180, 10819), (1396, 9145), (1745, 7316), (1829, 6980), (3490, 3658)]