16391120

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{619}}^1$

素因数の和:963

約数の個数: 40

約数和(自身を含む): 38286240

約数和(自身を除く): 21895120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 619, 662, 1238, 1324, 1655, 2476, 2648, 3095, 3310, 4952, 5296, 6190, 6620, 9904, 12380, 13240, 24760, 26480, 49520, 204889, 409778, 819556, 1024445, 1639112, 2048890, 3278224, 4097780, 8195560, 16391120]

約数ペア:

[(1, 16391120), (2, 8195560), (4, 4097780), (5, 3278224), (8, 2048890), (10, 1639112), (16, 1024445), (20, 819556), (40, 409778), (80, 204889), (331, 49520), (619, 26480), (662, 24760), (1238, 13240), (1324, 12380), (1655, 9904), (2476, 6620), (2648, 6190), (3095, 5296), (3310, 4952)]