19575680

素因数分解:

$2^7\times 5^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:511

約数の個数: 64

約数和(自身を含む): 47552400

約数和(自身を除く): 27976720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 292, 320, 365, 419, 584, 640, 730, 838, 1168, 1460, 1676, 2095, 2336, 2920, 3352, 4190, 4672, 5840, 6704, 8380, 9344, 11680, 13408, 16760, 23360, 26816, 30587, 33520, 46720, 53632, 61174, 67040, 122348, 134080, 152935, 244696, 268160, 305870, 489392, 611740, 978784, 1223480, 1957568, 2446960, 3915136, 4893920, 9787840, 19575680]

約数ペア:

[(1, 19575680), (2, 9787840), (4, 4893920), (5, 3915136), (8, 2446960), (10, 1957568), (16, 1223480), (20, 978784), (32, 611740), (40, 489392), (64, 305870), (73, 268160), (80, 244696), (128, 152935), (146, 134080), (160, 122348), (292, 67040), (320, 61174), (365, 53632), (419, 46720), (584, 33520), (640, 30587), (730, 26816), (838, 23360), (1168, 16760), (1460, 13408), (1676, 11680), (2095, 9344), (2336, 8380), (2920, 6704), (3352, 5840), (4190, 4672)]