86801780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:517

約数の個数: 72

約数和(自身を含む): 201096504

約数和(自身を除く): 114294724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 169, 244, 260, 305, 338, 421, 610, 676, 793, 842, 845, 1220, 1586, 1684, 1690, 2105, 3172, 3380, 3965, 4210, 5473, 7930, 8420, 10309, 10946, 15860, 20618, 21892, 25681, 27365, 41236, 51362, 51545, 54730, 71149, 102724, 103090, 109460, 128405, 142298, 206180, 256810, 284596, 333853, 355745, 513620, 667706, 711490, 1335412, 1422980, 1669265, 3338530, 4340089, 6677060, 8680178, 17360356, 21700445, 43400890, 86801780]

約数ペア:

[(1, 86801780), (2, 43400890), (4, 21700445), (5, 17360356), (10, 8680178), (13, 6677060), (20, 4340089), (26, 3338530), (52, 1669265), (61, 1422980), (65, 1335412), (122, 711490), (130, 667706), (169, 513620), (244, 355745), (260, 333853), (305, 284596), (338, 256810), (421, 206180), (610, 142298), (676, 128405), (793, 109460), (842, 103090), (845, 102724), (1220, 71149), (1586, 54730), (1684, 51545), (1690, 51362), (2105, 41236), (3172, 27365), (3380, 25681), (3965, 21892), (4210, 20618), (5473, 15860), (7930, 10946), (8420, 10309)]