1025486540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:531

約数の個数: 96

約数和(自身を含む): 2366582400

約数和(自身を除く): 1341095860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 149, 206, 257, 260, 298, 412, 514, 515, 596, 745, 1028, 1030, 1285, 1339, 1490, 1937, 2060, 2570, 2678, 2980, 3341, 3874, 5140, 5356, 6682, 6695, 7748, 9685, 13364, 13390, 15347, 16705, 19370, 26471, 26780, 30694, 33410, 38293, 38740, 52942, 61388, 66820, 76586, 76735, 105884, 132355, 153172, 153470, 191465, 199511, 264710, 306940, 344123, 382930, 399022, 497809, 529420, 688246, 765860, 798044, 995618, 997555, 1376492, 1720615, 1991236, 1995110, 2489045, 3441230, 3944179, 3990220, 4978090, 6882460, 7888358, 9956180, 15776716, 19720895, 39441790, 51274327, 78883580, 102548654, 205097308, 256371635, 512743270, 1025486540]

約数ペア:

[(1, 1025486540), (2, 512743270), (4, 256371635), (5, 205097308), (10, 102548654), (13, 78883580), (20, 51274327), (26, 39441790), (52, 19720895), (65, 15776716), (103, 9956180), (130, 7888358), (149, 6882460), (206, 4978090), (257, 3990220), (260, 3944179), (298, 3441230), (412, 2489045), (514, 1995110), (515, 1991236), (596, 1720615), (745, 1376492), (1028, 997555), (1030, 995618), (1285, 798044), (1339, 765860), (1490, 688246), (1937, 529420), (2060, 497809), (2570, 399022), (2678, 382930), (2980, 344123), (3341, 306940), (3874, 264710), (5140, 199511), (5356, 191465), (6682, 153470), (6695, 153172), (7748, 132355), (9685, 105884), (13364, 76735), (13390, 76586), (15347, 66820), (16705, 61388), (19370, 52942), (26471, 38740), (26780, 38293), (30694, 33410)]