201415840

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{7723}}^1$

素因数の和:7901

約数の個数: 48

約数和(自身を含む): 478826208

約数和(自身を除く): 277410368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 5216, 6520, 7723, 13040, 15446, 26080, 30892, 38615, 61784, 77230, 123568, 154460, 247136, 308920, 617840, 1235680, 1258849, 2517698, 5035396, 6294245, 10070792, 12588490, 20141584, 25176980, 40283168, 50353960, 100707920, 201415840]

約数ペア:

[(1, 201415840), (2, 100707920), (4, 50353960), (5, 40283168), (8, 25176980), (10, 20141584), (16, 12588490), (20, 10070792), (32, 6294245), (40, 5035396), (80, 2517698), (160, 1258849), (163, 1235680), (326, 617840), (652, 308920), (815, 247136), (1304, 154460), (1630, 123568), (2608, 77230), (3260, 61784), (5216, 38615), (6520, 30892), (7723, 26080), (13040, 15446)]