16288220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 38122560

約数和(自身を除く): 21834340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 79, 122, 130, 158, 169, 244, 260, 305, 316, 338, 395, 610, 676, 790, 793, 845, 1027, 1220, 1580, 1586, 1690, 2054, 3172, 3380, 3965, 4108, 4819, 5135, 7930, 9638, 10270, 10309, 13351, 15860, 19276, 20540, 20618, 24095, 26702, 41236, 48190, 51545, 53404, 62647, 66755, 96380, 103090, 125294, 133510, 206180, 250588, 267020, 313235, 626470, 814411, 1252940, 1628822, 3257644, 4072055, 8144110, 16288220]

約数ペア:

[(1, 16288220), (2, 8144110), (4, 4072055), (5, 3257644), (10, 1628822), (13, 1252940), (20, 814411), (26, 626470), (52, 313235), (61, 267020), (65, 250588), (79, 206180), (122, 133510), (130, 125294), (158, 103090), (169, 96380), (244, 66755), (260, 62647), (305, 53404), (316, 51545), (338, 48190), (395, 41236), (610, 26702), (676, 24095), (790, 20618), (793, 20540), (845, 19276), (1027, 15860), (1220, 13351), (1580, 10309), (1586, 10270), (1690, 9638), (2054, 7930), (3172, 5135), (3380, 4819), (3965, 4108)]