253236880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{6581}}^1$

素因数の和:6644

約数の個数: 80

約数和(自身を含む): 651302064

約数和(自身を除く): 398065184

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 962, 1040, 1480, 1924, 2405, 2960, 3848, 4810, 6581, 7696, 9620, 13162, 19240, 26324, 32905, 38480, 52648, 65810, 85553, 105296, 131620, 171106, 243497, 263240, 342212, 427765, 486994, 526480, 684424, 855530, 973988, 1217485, 1368848, 1711060, 1947976, 2434970, 3165461, 3422120, 3895952, 4869940, 6330922, 6844240, 9739880, 12661844, 15827305, 19479760, 25323688, 31654610, 50647376, 63309220, 126618440, 253236880]

約数ペア:

[(1, 253236880), (2, 126618440), (4, 63309220), (5, 50647376), (8, 31654610), (10, 25323688), (13, 19479760), (16, 15827305), (20, 12661844), (26, 9739880), (37, 6844240), (40, 6330922), (52, 4869940), (65, 3895952), (74, 3422120), (80, 3165461), (104, 2434970), (130, 1947976), (148, 1711060), (185, 1368848), (208, 1217485), (260, 973988), (296, 855530), (370, 684424), (481, 526480), (520, 486994), (592, 427765), (740, 342212), (962, 263240), (1040, 243497), (1480, 171106), (1924, 131620), (2405, 105296), (2960, 85553), (3848, 65810), (4810, 52648), (6581, 38480), (7696, 32905), (9620, 26324), (13162, 19240)]