79245920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1229}}^1$

素因数の和:1288

約数の個数: 96

約数和(自身を含む): 208293120

約数和(自身を除く): 129047200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 403, 416, 496, 520, 620, 806, 992, 1040, 1229, 1240, 1612, 2015, 2080, 2458, 2480, 3224, 4030, 4916, 4960, 6145, 6448, 8060, 9832, 12290, 12896, 15977, 16120, 19664, 24580, 31954, 32240, 38099, 39328, 49160, 63908, 64480, 76198, 79885, 98320, 127816, 152396, 159770, 190495, 196640, 255632, 304792, 319540, 380990, 495287, 511264, 609584, 639080, 761980, 990574, 1219168, 1278160, 1523960, 1981148, 2476435, 2556320, 3047920, 3962296, 4952870, 6095840, 7924592, 9905740, 15849184, 19811480, 39622960, 79245920]

約数ペア:

[(1, 79245920), (2, 39622960), (4, 19811480), (5, 15849184), (8, 9905740), (10, 7924592), (13, 6095840), (16, 4952870), (20, 3962296), (26, 3047920), (31, 2556320), (32, 2476435), (40, 1981148), (52, 1523960), (62, 1278160), (65, 1219168), (80, 990574), (104, 761980), (124, 639080), (130, 609584), (155, 511264), (160, 495287), (208, 380990), (248, 319540), (260, 304792), (310, 255632), (403, 196640), (416, 190495), (496, 159770), (520, 152396), (620, 127816), (806, 98320), (992, 79885), (1040, 76198), (1229, 64480), (1240, 63908), (1612, 49160), (2015, 39328), (2080, 38099), (2458, 32240), (2480, 31954), (3224, 24580), (4030, 19664), (4916, 16120), (4960, 15977), (6145, 12896), (6448, 12290), (8060, 9832)]