49955260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{409}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 109105920

約数和(自身を除く): 59150660

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 197, 310, 394, 409, 620, 788, 818, 985, 1636, 1970, 2045, 3940, 4090, 6107, 8180, 12214, 12679, 24428, 25358, 30535, 50716, 61070, 63395, 80573, 122140, 126790, 161146, 253580, 322292, 402865, 805730, 1611460, 2497763, 4995526, 9991052, 12488815, 24977630, 49955260]

約数ペア:

[(1, 49955260), (2, 24977630), (4, 12488815), (5, 9991052), (10, 4995526), (20, 2497763), (31, 1611460), (62, 805730), (124, 402865), (155, 322292), (197, 253580), (310, 161146), (394, 126790), (409, 122140), (620, 80573), (788, 63395), (818, 61070), (985, 50716), (1636, 30535), (1970, 25358), (2045, 24428), (3940, 12679), (4090, 12214), (6107, 8180)]