40918670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 83655936

約数和(自身を除く): 42737266

約数列:

[1, 2, 5, 10, 13, 26, 37, 47, 65, 74, 94, 130, 181, 185, 235, 362, 370, 470, 481, 611, 905, 962, 1222, 1739, 1810, 2353, 2405, 3055, 3478, 4706, 4810, 6110, 6697, 8507, 8695, 11765, 13394, 17014, 17390, 22607, 23530, 33485, 42535, 45214, 66970, 85070, 87061, 110591, 113035, 174122, 221182, 226070, 314759, 435305, 552955, 629518, 870610, 1105910, 1573795, 3147590, 4091867, 8183734, 20459335, 40918670]

約数ペア:

[(1, 40918670), (2, 20459335), (5, 8183734), (10, 4091867), (13, 3147590), (26, 1573795), (37, 1105910), (47, 870610), (65, 629518), (74, 552955), (94, 435305), (130, 314759), (181, 226070), (185, 221182), (235, 174122), (362, 113035), (370, 110591), (470, 87061), (481, 85070), (611, 66970), (905, 45214), (962, 42535), (1222, 33485), (1739, 23530), (1810, 22607), (2353, 17390), (2405, 17014), (3055, 13394), (3478, 11765), (4706, 8695), (4810, 8507), (6110, 6697)]