264345960040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{1081789}}^1$

素因数の和:1081990

約数の個数: 64

約数和(自身を含む): 613374930000

約数和(自身を除く): 349028969960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 149, 164, 205, 298, 328, 410, 596, 745, 820, 1192, 1490, 1640, 2980, 5960, 6109, 12218, 24436, 30545, 48872, 61090, 122180, 244360, 1081789, 2163578, 4327156, 5408945, 8654312, 10817890, 21635780, 43271560, 44353349, 88706698, 161186561, 177413396, 221766745, 322373122, 354826792, 443533490, 644746244, 805932805, 887066980, 1289492488, 1611865610, 1774133960, 3223731220, 6447462440, 6608649001, 13217298002, 26434596004, 33043245005, 52869192008, 66086490010, 132172980020, 264345960040]

約数ペア:

[(1, 264345960040), (2, 132172980020), (4, 66086490010), (5, 52869192008), (8, 33043245005), (10, 26434596004), (20, 13217298002), (40, 6608649001), (41, 6447462440), (82, 3223731220), (149, 1774133960), (164, 1611865610), (205, 1289492488), (298, 887066980), (328, 805932805), (410, 644746244), (596, 443533490), (745, 354826792), (820, 322373122), (1192, 221766745), (1490, 177413396), (1640, 161186561), (2980, 88706698), (5960, 44353349), (6109, 43271560), (12218, 21635780), (24436, 10817890), (30545, 8654312), (48872, 5408945), (61090, 4327156), (122180, 2163578), (244360, 1081789)]