64688650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4327}}^1$

素因数の和:4375

約数の個数: 48

約数和(自身を含む): 135241344

約数和(自身を除く): 70552694

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 65, 115, 130, 230, 299, 325, 575, 598, 650, 1150, 1495, 2990, 4327, 7475, 8654, 14950, 21635, 43270, 56251, 99521, 108175, 112502, 199042, 216350, 281255, 497605, 562510, 995210, 1293773, 1406275, 2488025, 2587546, 2812550, 4976050, 6468865, 12937730, 32344325, 64688650]

約数ペア:

[(1, 64688650), (2, 32344325), (5, 12937730), (10, 6468865), (13, 4976050), (23, 2812550), (25, 2587546), (26, 2488025), (46, 1406275), (50, 1293773), (65, 995210), (115, 562510), (130, 497605), (230, 281255), (299, 216350), (325, 199042), (575, 112502), (598, 108175), (650, 99521), (1150, 56251), (1495, 43270), (2990, 21635), (4327, 14950), (7475, 8654)]