64645220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{10007}}^1$

素因数の和:10052

約数の個数: 48

約数和(自身を含む): 151320960

約数和(自身を除く): 86675740

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 10007, 20014, 40028, 50035, 100070, 170119, 190133, 200140, 340238, 380266, 680476, 760532, 850595, 950665, 1701190, 1901330, 3232261, 3402380, 3802660, 6464522, 12929044, 16161305, 32322610, 64645220]

約数ペア:

[(1, 64645220), (2, 32322610), (4, 16161305), (5, 12929044), (10, 6464522), (17, 3802660), (19, 3402380), (20, 3232261), (34, 1901330), (38, 1701190), (68, 950665), (76, 850595), (85, 760532), (95, 680476), (170, 380266), (190, 340238), (323, 200140), (340, 190133), (380, 170119), (646, 100070), (1292, 50035), (1615, 40028), (3230, 20014), (6460, 10007)]