81955600

素因数分解:

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

素因数の和:968

約数の個数: 60

約数和(自身を含む): 197812240

約数和(自身を除く): 115856640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 331, 400, 619, 662, 1238, 1324, 1655, 2476, 2648, 3095, 3310, 4952, 5296, 6190, 6620, 8275, 9904, 12380, 13240, 15475, 16550, 24760, 26480, 30950, 33100, 49520, 61900, 66200, 123800, 132400, 204889, 247600, 409778, 819556, 1024445, 1639112, 2048890, 3278224, 4097780, 5122225, 8195560, 10244450, 16391120, 20488900, 40977800, 81955600]

約数ペア:

[(1, 81955600), (2, 40977800), (4, 20488900), (5, 16391120), (8, 10244450), (10, 8195560), (16, 5122225), (20, 4097780), (25, 3278224), (40, 2048890), (50, 1639112), (80, 1024445), (100, 819556), (200, 409778), (331, 247600), (400, 204889), (619, 132400), (662, 123800), (1238, 66200), (1324, 61900), (1655, 49520), (2476, 33100), (2648, 30950), (3095, 26480), (3310, 24760), (4952, 16550), (5296, 15475), (6190, 13240), (6620, 12380), (8275, 9904)]