28346480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1097}}^1$

素因数の和:1146

約数の個数: 80

約数和(自身を含む): 73522080

約数和(自身を除く): 45175600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 760, 1097, 1292, 1360, 1520, 1615, 2194, 2584, 3230, 4388, 5168, 5485, 6460, 8776, 10970, 12920, 17552, 18649, 20843, 21940, 25840, 37298, 41686, 43880, 74596, 83372, 87760, 93245, 104215, 149192, 166744, 186490, 208430, 298384, 333488, 354331, 372980, 416860, 708662, 745960, 833720, 1417324, 1491920, 1667440, 1771655, 2834648, 3543310, 5669296, 7086620, 14173240, 28346480]

約数ペア:

[(1, 28346480), (2, 14173240), (4, 7086620), (5, 5669296), (8, 3543310), (10, 2834648), (16, 1771655), (17, 1667440), (19, 1491920), (20, 1417324), (34, 833720), (38, 745960), (40, 708662), (68, 416860), (76, 372980), (80, 354331), (85, 333488), (95, 298384), (136, 208430), (152, 186490), (170, 166744), (190, 149192), (272, 104215), (304, 93245), (323, 87760), (340, 83372), (380, 74596), (646, 43880), (680, 41686), (760, 37298), (1097, 25840), (1292, 21940), (1360, 20843), (1520, 18649), (1615, 17552), (2194, 12920), (2584, 10970), (3230, 8776), (4388, 6460), (5168, 5485)]