2009415040

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101281}}^1$

素因数の和:101331

約数の個数: 64

約数和(自身を含む): 4958766720

約数和(自身を除く): 2949351680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 19840, 101281, 202562, 405124, 506405, 810248, 1012810, 1620496, 2025620, 3139711, 3240992, 4051240, 6279422, 6481984, 8102480, 12558844, 12963968, 15698555, 16204960, 25117688, 31397110, 32409920, 50235376, 62794220, 64819840, 100470752, 125588440, 200941504, 251176880, 401883008, 502353760, 1004707520, 2009415040]

約数ペア:

[(1, 2009415040), (2, 1004707520), (4, 502353760), (5, 401883008), (8, 251176880), (10, 200941504), (16, 125588440), (20, 100470752), (31, 64819840), (32, 62794220), (40, 50235376), (62, 32409920), (64, 31397110), (80, 25117688), (124, 16204960), (128, 15698555), (155, 12963968), (160, 12558844), (248, 8102480), (310, 6481984), (320, 6279422), (496, 4051240), (620, 3240992), (640, 3139711), (992, 2025620), (1240, 1620496), (1984, 1012810), (2480, 810248), (3968, 506405), (4960, 405124), (9920, 202562), (19840, 101281)]