31565200

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:161

約数の個数: 120

約数和(自身を含む): 81923328

約数和(自身を除く): 50358128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 47, 50, 73, 80, 92, 94, 100, 115, 146, 184, 188, 200, 230, 235, 292, 365, 368, 376, 400, 460, 470, 575, 584, 730, 752, 920, 940, 1081, 1150, 1168, 1175, 1460, 1679, 1825, 1840, 1880, 2162, 2300, 2350, 2920, 3358, 3431, 3650, 3760, 4324, 4600, 4700, 5405, 5840, 6716, 6862, 7300, 8395, 8648, 9200, 9400, 10810, 13432, 13724, 14600, 16790, 17155, 17296, 18800, 21620, 26864, 27025, 27448, 29200, 33580, 34310, 41975, 43240, 54050, 54896, 67160, 68620, 78913, 83950, 85775, 86480, 108100, 134320, 137240, 157826, 167900, 171550, 216200, 274480, 315652, 335800, 343100, 394565, 432400, 631304, 671600, 686200, 789130, 1262608, 1372400, 1578260, 1972825, 3156520, 3945650, 6313040, 7891300, 15782600, 31565200]

約数ペア:

[(1, 31565200), (2, 15782600), (4, 7891300), (5, 6313040), (8, 3945650), (10, 3156520), (16, 1972825), (20, 1578260), (23, 1372400), (25, 1262608), (40, 789130), (46, 686200), (47, 671600), (50, 631304), (73, 432400), (80, 394565), (92, 343100), (94, 335800), (100, 315652), (115, 274480), (146, 216200), (184, 171550), (188, 167900), (200, 157826), (230, 137240), (235, 134320), (292, 108100), (365, 86480), (368, 85775), (376, 83950), (400, 78913), (460, 68620), (470, 67160), (575, 54896), (584, 54050), (730, 43240), (752, 41975), (920, 34310), (940, 33580), (1081, 29200), (1150, 27448), (1168, 27025), (1175, 26864), (1460, 21620), (1679, 18800), (1825, 17296), (1840, 17155), (1880, 16790), (2162, 14600), (2300, 13724), (2350, 13432), (2920, 10810), (3358, 9400), (3431, 9200), (3650, 8648), (3760, 8395), (4324, 7300), (4600, 6862), (4700, 6716), (5405, 5840)]