53981000

素因数分解:

$2^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{2347}}^1$

素因数の和:2391

約数の個数: 64

約数和(自身を含む): 131863680

約数和(自身を除く): 77882680

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 125, 184, 200, 230, 250, 460, 500, 575, 920, 1000, 1150, 2300, 2347, 2875, 4600, 4694, 5750, 9388, 11500, 11735, 18776, 23000, 23470, 46940, 53981, 58675, 93880, 107962, 117350, 215924, 234700, 269905, 293375, 431848, 469400, 539810, 586750, 1079620, 1173500, 1349525, 2159240, 2347000, 2699050, 5398100, 6747625, 10796200, 13495250, 26990500, 53981000]

約数ペア:

[(1, 53981000), (2, 26990500), (4, 13495250), (5, 10796200), (8, 6747625), (10, 5398100), (20, 2699050), (23, 2347000), (25, 2159240), (40, 1349525), (46, 1173500), (50, 1079620), (92, 586750), (100, 539810), (115, 469400), (125, 431848), (184, 293375), (200, 269905), (230, 234700), (250, 215924), (460, 117350), (500, 107962), (575, 93880), (920, 58675), (1000, 53981), (1150, 46940), (2300, 23470), (2347, 23000), (2875, 18776), (4600, 11735), (4694, 11500), (5750, 9388)]