2020111600

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{388483}}^1$

素因数の和:388514

約数の個数: 60

約数和(自身を含む): 5226663736

約数和(自身を除く): 3206552136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 388483, 776966, 1553932, 1942415, 3107864, 3884830, 5050279, 6215728, 7769660, 9712075, 10100558, 15539320, 19424150, 20201116, 25251395, 31078640, 38848300, 40402232, 50502790, 77696600, 80804464, 101005580, 126256975, 155393200, 202011160, 252513950, 404022320, 505027900, 1010055800, 2020111600]

約数ペア:

[(1, 2020111600), (2, 1010055800), (4, 505027900), (5, 404022320), (8, 252513950), (10, 202011160), (13, 155393200), (16, 126256975), (20, 101005580), (25, 80804464), (26, 77696600), (40, 50502790), (50, 40402232), (52, 38848300), (65, 31078640), (80, 25251395), (100, 20201116), (104, 19424150), (130, 15539320), (200, 10100558), (208, 9712075), (260, 7769660), (325, 6215728), (400, 5050279), (520, 3884830), (650, 3107864), (1040, 1942415), (1300, 1553932), (2600, 776966), (5200, 388483)]