84788240

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{5023}}^1$

素因数の和:5247

約数の個数: 40

約数和(自身を含む): 198106368

約数和(自身を除く): 113318128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 5023, 8440, 10046, 16880, 20092, 25115, 40184, 50230, 80368, 100460, 200920, 401840, 1059853, 2119706, 4239412, 5299265, 8478824, 10598530, 16957648, 21197060, 42394120, 84788240]

約数ペア:

[(1, 84788240), (2, 42394120), (4, 21197060), (5, 16957648), (8, 10598530), (10, 8478824), (16, 5299265), (20, 4239412), (40, 2119706), (80, 1059853), (211, 401840), (422, 200920), (844, 100460), (1055, 80368), (1688, 50230), (2110, 40184), (3376, 25115), (4220, 20092), (5023, 16880), (8440, 10046)]