25840360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:291

約数の個数: 128

約数和(自身を含む): 74188800

約数和(自身を除く): 48348440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 229, 248, 260, 280, 310, 364, 403, 434, 455, 458, 520, 620, 728, 806, 868, 910, 916, 1085, 1145, 1240, 1603, 1612, 1736, 1820, 1832, 2015, 2170, 2290, 2821, 2977, 3206, 3224, 3640, 4030, 4340, 4580, 5642, 5954, 6412, 7099, 8015, 8060, 8680, 9160, 11284, 11908, 12824, 14105, 14198, 14885, 16030, 16120, 20839, 22568, 23816, 28210, 28396, 29770, 32060, 35495, 41678, 49693, 56420, 56792, 59540, 64120, 70990, 83356, 92287, 99386, 104195, 112840, 119080, 141980, 166712, 184574, 198772, 208390, 248465, 283960, 369148, 397544, 416780, 461435, 496930, 646009, 738296, 833560, 922870, 993860, 1292018, 1845740, 1987720, 2584036, 3230045, 3691480, 5168072, 6460090, 12920180, 25840360]

約数ペア:

[(1, 25840360), (2, 12920180), (4, 6460090), (5, 5168072), (7, 3691480), (8, 3230045), (10, 2584036), (13, 1987720), (14, 1845740), (20, 1292018), (26, 993860), (28, 922870), (31, 833560), (35, 738296), (40, 646009), (52, 496930), (56, 461435), (62, 416780), (65, 397544), (70, 369148), (91, 283960), (104, 248465), (124, 208390), (130, 198772), (140, 184574), (155, 166712), (182, 141980), (217, 119080), (229, 112840), (248, 104195), (260, 99386), (280, 92287), (310, 83356), (364, 70990), (403, 64120), (434, 59540), (455, 56792), (458, 56420), (520, 49693), (620, 41678), (728, 35495), (806, 32060), (868, 29770), (910, 28396), (916, 28210), (1085, 23816), (1145, 22568), (1240, 20839), (1603, 16120), (1612, 16030), (1736, 14885), (1820, 14198), (1832, 14105), (2015, 12824), (2170, 11908), (2290, 11284), (2821, 9160), (2977, 8680), (3206, 8060), (3224, 8015), (3640, 7099), (4030, 6412), (4340, 5954), (4580, 5642)]