4420041760

素因数分解:

$2^5\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{13903}}^1$

素因数の和:15905

約数の個数: 48

約数和(自身を含む): 10448355456

約数和(自身を除く): 6028313696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1987, 3974, 7948, 9935, 13903, 15896, 19870, 27806, 31792, 39740, 55612, 63584, 69515, 79480, 111224, 139030, 158960, 222448, 278060, 317920, 444896, 556120, 1112240, 2224480, 27625261, 55250522, 110501044, 138126305, 221002088, 276252610, 442004176, 552505220, 884008352, 1105010440, 2210020880, 4420041760]

約数ペア:

[(1, 4420041760), (2, 2210020880), (4, 1105010440), (5, 884008352), (8, 552505220), (10, 442004176), (16, 276252610), (20, 221002088), (32, 138126305), (40, 110501044), (80, 55250522), (160, 27625261), (1987, 2224480), (3974, 1112240), (7948, 556120), (9935, 444896), (13903, 317920), (15896, 278060), (19870, 222448), (27806, 158960), (31792, 139030), (39740, 111224), (55612, 79480), (63584, 69515)]