80280410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:671

約数の個数: 64

約数和(自身を含む): 173560320

約数和(自身を除く): 93279910

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 71, 142, 145, 203, 290, 355, 406, 497, 557, 710, 994, 1015, 1114, 2030, 2059, 2485, 2785, 3899, 4118, 4970, 5570, 7798, 10295, 14413, 16153, 19495, 20590, 28826, 32306, 38990, 39547, 72065, 79094, 80765, 113071, 144130, 161530, 197735, 226142, 276829, 395470, 553658, 565355, 1130710, 1146863, 1384145, 2293726, 2768290, 5734315, 8028041, 11468630, 16056082, 40140205, 80280410]

約数ペア:

[(1, 80280410), (2, 40140205), (5, 16056082), (7, 11468630), (10, 8028041), (14, 5734315), (29, 2768290), (35, 2293726), (58, 1384145), (70, 1146863), (71, 1130710), (142, 565355), (145, 553658), (203, 395470), (290, 276829), (355, 226142), (406, 197735), (497, 161530), (557, 144130), (710, 113071), (994, 80765), (1015, 79094), (1114, 72065), (2030, 39547), (2059, 38990), (2485, 32306), (2785, 28826), (3899, 20590), (4118, 19495), (4970, 16153), (5570, 14413), (7798, 10295)]