2050781440

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{51683}}^1$

素因数の和:51735

約数の個数: 72

約数和(自身を含む): 5070820608

約数和(自身を除く): 3020039168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 39680, 51683, 103366, 206732, 258415, 413464, 516830, 826928, 1033660, 1602173, 1653856, 2067320, 3204346, 3307712, 4134640, 6408692, 6615424, 8010865, 8269280, 12817384, 13230848, 16021730, 16538560, 25634768, 32043460, 33077120, 51269536, 64086920, 66154240, 102539072, 128173840, 205078144, 256347680, 410156288, 512695360, 1025390720, 2050781440]

約数ペア:

[(1, 2050781440), (2, 1025390720), (4, 512695360), (5, 410156288), (8, 256347680), (10, 205078144), (16, 128173840), (20, 102539072), (31, 66154240), (32, 64086920), (40, 51269536), (62, 33077120), (64, 32043460), (80, 25634768), (124, 16538560), (128, 16021730), (155, 13230848), (160, 12817384), (248, 8269280), (256, 8010865), (310, 6615424), (320, 6408692), (496, 4134640), (620, 3307712), (640, 3204346), (992, 2067320), (1240, 1653856), (1280, 1602173), (1984, 1033660), (2480, 826928), (3968, 516830), (4960, 413464), (7936, 258415), (9920, 206732), (19840, 103366), (39680, 51683)]