2549203420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2089511}}^1$

素因数の和:2089581

約数の個数: 24

約数和(自身を含む): 5441089248

約数和(自身を除く): 2891885828

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 2089511, 4179022, 8358044, 10447555, 20895110, 41790220, 127460171, 254920342, 509840684, 637300855, 1274601710, 2549203420]

約数ペア:

[(1, 2549203420), (2, 1274601710), (4, 637300855), (5, 509840684), (10, 254920342), (20, 127460171), (61, 41790220), (122, 20895110), (244, 10447555), (305, 8358044), (610, 4179022), (1220, 2089511)]