38026180

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 82494720

約数和(自身を除く): 44468540

約数列:

[1, 2, 4, 5, 10, 20, 61, 71, 122, 142, 244, 284, 305, 355, 439, 610, 710, 878, 1220, 1420, 1756, 2195, 4331, 4390, 8662, 8780, 17324, 21655, 26779, 31169, 43310, 53558, 62338, 86620, 107116, 124676, 133895, 155845, 267790, 311690, 535580, 623380, 1901309, 3802618, 7605236, 9506545, 19013090, 38026180]

約数ペア:

[(1, 38026180), (2, 19013090), (4, 9506545), (5, 7605236), (10, 3802618), (20, 1901309), (61, 623380), (71, 535580), (122, 311690), (142, 267790), (244, 155845), (284, 133895), (305, 124676), (355, 107116), (439, 86620), (610, 62338), (710, 53558), (878, 43310), (1220, 31169), (1420, 26779), (1756, 21655), (2195, 17324), (4331, 8780), (4390, 8662)]