13873840

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2843}}^1$

素因数の和:2917

約数の個数: 40

約数和(自身を含む): 32797008

約数和(自身を除く): 18923168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 2843, 4880, 5686, 11372, 14215, 22744, 28430, 45488, 56860, 113720, 173423, 227440, 346846, 693692, 867115, 1387384, 1734230, 2774768, 3468460, 6936920, 13873840]

約数ペア:

[(1, 13873840), (2, 6936920), (4, 3468460), (5, 2774768), (8, 1734230), (10, 1387384), (16, 867115), (20, 693692), (40, 346846), (61, 227440), (80, 173423), (122, 113720), (244, 56860), (305, 45488), (488, 28430), (610, 22744), (976, 14215), (1220, 11372), (2440, 5686), (2843, 4880)]