131586320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{547}}^1$

素因数の和:688

約数の個数: 80

約数和(自身を含む): 319646208

約数和(自身を除く): 188059888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 97, 124, 155, 194, 248, 310, 388, 485, 496, 547, 620, 776, 970, 1094, 1240, 1552, 1940, 2188, 2480, 2735, 3007, 3880, 4376, 5470, 6014, 7760, 8752, 10940, 12028, 15035, 16957, 21880, 24056, 30070, 33914, 43760, 48112, 53059, 60140, 67828, 84785, 106118, 120280, 135656, 169570, 212236, 240560, 265295, 271312, 339140, 424472, 530590, 678280, 848944, 1061180, 1356560, 1644829, 2122360, 3289658, 4244720, 6579316, 8224145, 13158632, 16448290, 26317264, 32896580, 65793160, 131586320]

約数ペア:

[(1, 131586320), (2, 65793160), (4, 32896580), (5, 26317264), (8, 16448290), (10, 13158632), (16, 8224145), (20, 6579316), (31, 4244720), (40, 3289658), (62, 2122360), (80, 1644829), (97, 1356560), (124, 1061180), (155, 848944), (194, 678280), (248, 530590), (310, 424472), (388, 339140), (485, 271312), (496, 265295), (547, 240560), (620, 212236), (776, 169570), (970, 135656), (1094, 120280), (1240, 106118), (1552, 84785), (1940, 67828), (2188, 60140), (2480, 53059), (2735, 48112), (3007, 43760), (3880, 33914), (4376, 30070), (5470, 24056), (6014, 21880), (7760, 16957), (8752, 15035), (10940, 12028)]