28254711320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{879661}}^1$

素因数の和:879756

約数の個数: 64

約数和(自身を含む): 70302587040

約数和(自身を除く): 42047875720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 73, 88, 110, 146, 220, 292, 365, 440, 584, 730, 803, 1460, 1606, 2920, 3212, 4015, 6424, 8030, 16060, 32120, 879661, 1759322, 3518644, 4398305, 7037288, 8796610, 9676271, 17593220, 19352542, 35186440, 38705084, 48381355, 64215253, 77410168, 96762710, 128430506, 193525420, 256861012, 321076265, 387050840, 513722024, 642152530, 706367783, 1284305060, 1412735566, 2568610120, 2825471132, 3531838915, 5650942264, 7063677830, 14127355660, 28254711320]

約数ペア:

[(1, 28254711320), (2, 14127355660), (4, 7063677830), (5, 5650942264), (8, 3531838915), (10, 2825471132), (11, 2568610120), (20, 1412735566), (22, 1284305060), (40, 706367783), (44, 642152530), (55, 513722024), (73, 387050840), (88, 321076265), (110, 256861012), (146, 193525420), (220, 128430506), (292, 96762710), (365, 77410168), (440, 64215253), (584, 48381355), (730, 38705084), (803, 35186440), (1460, 19352542), (1606, 17593220), (2920, 9676271), (3212, 8796610), (4015, 7037288), (6424, 4398305), (8030, 3518644), (16060, 1759322), (32120, 879661)]