2019080720

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{345733}}^1$

素因数の和:345819

約数の個数: 40

約数和(自身を含む): 4758682776

約数和(自身を除く): 2739602056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 345733, 691466, 1382932, 1728665, 2765864, 3457330, 5531728, 6914660, 13829320, 25238509, 27658640, 50477018, 100954036, 126192545, 201908072, 252385090, 403816144, 504770180, 1009540360, 2019080720]

約数ペア:

[(1, 2019080720), (2, 1009540360), (4, 504770180), (5, 403816144), (8, 252385090), (10, 201908072), (16, 126192545), (20, 100954036), (40, 50477018), (73, 27658640), (80, 25238509), (146, 13829320), (292, 6914660), (365, 5531728), (584, 3457330), (730, 2765864), (1168, 1728665), (1460, 1382932), (2920, 691466), (5840, 345733)]