2081960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:138

約数の個数: 64

約数和(自身を含む): 5114880

約数和(自身を除く): 3032920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 73, 92, 115, 124, 146, 155, 184, 230, 248, 292, 310, 365, 460, 584, 620, 713, 730, 920, 1240, 1426, 1460, 1679, 2263, 2852, 2920, 3358, 3565, 4526, 5704, 6716, 7130, 8395, 9052, 11315, 13432, 14260, 16790, 18104, 22630, 28520, 33580, 45260, 52049, 67160, 90520, 104098, 208196, 260245, 416392, 520490, 1040980, 2081960]

約数ペア:

[(1, 2081960), (2, 1040980), (4, 520490), (5, 416392), (8, 260245), (10, 208196), (20, 104098), (23, 90520), (31, 67160), (40, 52049), (46, 45260), (62, 33580), (73, 28520), (92, 22630), (115, 18104), (124, 16790), (146, 14260), (155, 13432), (184, 11315), (230, 9052), (248, 8395), (292, 7130), (310, 6716), (365, 5704), (460, 4526), (584, 3565), (620, 3358), (713, 2920), (730, 2852), (920, 2263), (1240, 1679), (1426, 1460)]