2540528

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:225

約数の個数: 40

約数和(自身を含む): 5304720

約数和(自身を除く): 2764192

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 122, 137, 152, 244, 274, 304, 488, 548, 976, 1096, 1159, 2192, 2318, 2603, 4636, 5206, 8357, 9272, 10412, 16714, 18544, 20824, 33428, 41648, 66856, 133712, 158783, 317566, 635132, 1270264, 2540528]

約数ペア:

[(1, 2540528), (2, 1270264), (4, 635132), (8, 317566), (16, 158783), (19, 133712), (38, 66856), (61, 41648), (76, 33428), (122, 20824), (137, 18544), (152, 16714), (244, 10412), (274, 9272), (304, 8357), (488, 5206), (548, 4636), (976, 2603), (1096, 2318), (1159, 2192)]