31697920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:217

約数の個数: 88

約数和(自身を含む): 78408288

約数和(自身を除く): 46710368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 151, 160, 164, 205, 256, 302, 320, 328, 410, 512, 604, 640, 656, 755, 820, 1024, 1208, 1280, 1312, 1510, 1640, 2416, 2560, 2624, 3020, 3280, 4832, 5120, 5248, 6040, 6191, 6560, 9664, 10496, 12080, 12382, 13120, 19328, 20992, 24160, 24764, 26240, 30955, 38656, 41984, 48320, 49528, 52480, 61910, 77312, 96640, 99056, 104960, 123820, 154624, 193280, 198112, 209920, 247640, 386560, 396224, 495280, 773120, 792448, 990560, 1584896, 1981120, 3169792, 3962240, 6339584, 7924480, 15848960, 31697920]

約数ペア:

[(1, 31697920), (2, 15848960), (4, 7924480), (5, 6339584), (8, 3962240), (10, 3169792), (16, 1981120), (20, 1584896), (32, 990560), (40, 792448), (41, 773120), (64, 495280), (80, 396224), (82, 386560), (128, 247640), (151, 209920), (160, 198112), (164, 193280), (205, 154624), (256, 123820), (302, 104960), (320, 99056), (328, 96640), (410, 77312), (512, 61910), (604, 52480), (640, 49528), (656, 48320), (755, 41984), (820, 38656), (1024, 30955), (1208, 26240), (1280, 24764), (1312, 24160), (1510, 20992), (1640, 19328), (2416, 13120), (2560, 12382), (2624, 12080), (3020, 10496), (3280, 9664), (4832, 6560), (5120, 6191), (5248, 6040)]