231616520

素因数分解:

$2^3\times 5^1\times {\mathrm{991}}^1\times {\mathrm{5843}}^1$

素因数の和:6845

約数の個数: 32

約数和(自身を含む): 521752320

約数和(自身を除く): 290135800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 991, 1982, 3964, 4955, 5843, 7928, 9910, 11686, 19820, 23372, 29215, 39640, 46744, 58430, 116860, 233720, 5790413, 11580826, 23161652, 28952065, 46323304, 57904130, 115808260, 231616520]

約数ペア:

[(1, 231616520), (2, 115808260), (4, 57904130), (5, 46323304), (8, 28952065), (10, 23161652), (20, 11580826), (40, 5790413), (991, 233720), (1982, 116860), (3964, 58430), (4955, 46744), (5843, 39640), (7928, 29215), (9910, 23372), (11686, 19820)]