221898496520

素因数分解:

$2^3\times 5^1\times {\mathrm{991}}^1\times {\mathrm{5597843}}^1$

素因数の和:5598845

約数の個数: 32

約数和(自身を含む): 499775512320

約数和(自身を除く): 277877015800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 991, 1982, 3964, 4955, 7928, 9910, 19820, 39640, 5597843, 11195686, 22391372, 27989215, 44782744, 55978430, 111956860, 223913720, 5547462413, 11094924826, 22189849652, 27737312065, 44379699304, 55474624130, 110949248260, 221898496520]

約数ペア:

[(1, 221898496520), (2, 110949248260), (4, 55474624130), (5, 44379699304), (8, 27737312065), (10, 22189849652), (20, 11094924826), (40, 5547462413), (991, 223913720), (1982, 111956860), (3964, 55978430), (4955, 44782744), (7928, 27989215), (9910, 22391372), (19820, 11195686), (39640, 5597843)]