15663587440

素因数分解:

$2^4\times 5^1\times {\mathrm{991}}^1\times {\mathrm{197573}}^1$

素因数の和:198577

約数の個数: 40

約数和(自身を含む): 36454773888

約数和(自身を除く): 20791186448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 991, 1982, 3964, 4955, 7928, 9910, 15856, 19820, 39640, 79280, 197573, 395146, 790292, 987865, 1580584, 1975730, 3161168, 3951460, 7902920, 15805840, 195794843, 391589686, 783179372, 978974215, 1566358744, 1957948430, 3132717488, 3915896860, 7831793720, 15663587440]

約数ペア:

[(1, 15663587440), (2, 7831793720), (4, 3915896860), (5, 3132717488), (8, 1957948430), (10, 1566358744), (16, 978974215), (20, 783179372), (40, 391589686), (80, 195794843), (991, 15805840), (1982, 7902920), (3964, 3951460), (4955, 3161168), (7928, 1975730), (9910, 1580584), (15856, 987865), (19820, 790292), (39640, 395146), (79280, 197573)]