65020020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2689}}^1$

素因数の和:2745

約数の個数: 96

約数和(自身を含む): 202460160

約数和(自身を除く): 137440140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 930, 1209, 1612, 1860, 2015, 2418, 2689, 4030, 4836, 5378, 6045, 8060, 8067, 10756, 12090, 13445, 16134, 24180, 26890, 32268, 34957, 40335, 53780, 69914, 80670, 83359, 104871, 139828, 161340, 166718, 174785, 209742, 250077, 333436, 349570, 416795, 419484, 500154, 524355, 699140, 833590, 1000308, 1048710, 1083667, 1250385, 1667180, 2097420, 2167334, 2500770, 3251001, 4334668, 5001540, 5418335, 6502002, 10836670, 13004004, 16255005, 21673340, 32510010, 65020020]

約数ペア:

[(1, 65020020), (2, 32510010), (3, 21673340), (4, 16255005), (5, 13004004), (6, 10836670), (10, 6502002), (12, 5418335), (13, 5001540), (15, 4334668), (20, 3251001), (26, 2500770), (30, 2167334), (31, 2097420), (39, 1667180), (52, 1250385), (60, 1083667), (62, 1048710), (65, 1000308), (78, 833590), (93, 699140), (124, 524355), (130, 500154), (155, 419484), (156, 416795), (186, 349570), (195, 333436), (260, 250077), (310, 209742), (372, 174785), (390, 166718), (403, 161340), (465, 139828), (620, 104871), (780, 83359), (806, 80670), (930, 69914), (1209, 53780), (1612, 40335), (1860, 34957), (2015, 32268), (2418, 26890), (2689, 24180), (4030, 16134), (4836, 13445), (5378, 12090), (6045, 10756), (8060, 8067)]