1258746320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{39043}}^1$

素因数の和:39100

約数の個数: 80

約数和(自身を含む): 3253458432

約数和(自身を除く): 1994712112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 16120, 32240, 39043, 78086, 156172, 195215, 312344, 390430, 507559, 624688, 780860, 1015118, 1210333, 1561720, 2030236, 2420666, 2537795, 3123440, 4060472, 4841332, 5075590, 6051665, 8120944, 9682664, 10151180, 12103330, 15734329, 19365328, 20302360, 24206660, 31468658, 40604720, 48413320, 62937316, 78671645, 96826640, 125874632, 157343290, 251749264, 314686580, 629373160, 1258746320]

約数ペア:

[(1, 1258746320), (2, 629373160), (4, 314686580), (5, 251749264), (8, 157343290), (10, 125874632), (13, 96826640), (16, 78671645), (20, 62937316), (26, 48413320), (31, 40604720), (40, 31468658), (52, 24206660), (62, 20302360), (65, 19365328), (80, 15734329), (104, 12103330), (124, 10151180), (130, 9682664), (155, 8120944), (208, 6051665), (248, 5075590), (260, 4841332), (310, 4060472), (403, 3123440), (496, 2537795), (520, 2420666), (620, 2030236), (806, 1561720), (1040, 1210333), (1240, 1015118), (1612, 780860), (2015, 624688), (2480, 507559), (3224, 390430), (4030, 312344), (6448, 195215), (8060, 156172), (16120, 78086), (32240, 39043)]