31241180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1229}}^1$

素因数の和:1310

約数の個数: 48

約数和(自身を含む): 69431040

約数和(自身を除く): 38189860

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 620, 820, 1229, 1271, 2458, 2542, 4916, 5084, 6145, 6355, 12290, 12710, 24580, 25420, 38099, 50389, 76198, 100778, 152396, 190495, 201556, 251945, 380990, 503890, 761980, 1007780, 1562059, 3124118, 6248236, 7810295, 15620590, 31241180]

約数ペア:

[(1, 31241180), (2, 15620590), (4, 7810295), (5, 6248236), (10, 3124118), (20, 1562059), (31, 1007780), (41, 761980), (62, 503890), (82, 380990), (124, 251945), (155, 201556), (164, 190495), (205, 152396), (310, 100778), (410, 76198), (620, 50389), (820, 38099), (1229, 25420), (1271, 24580), (2458, 12710), (2542, 12290), (4916, 6355), (5084, 6145)]