25460912

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1373}}^1$

素因数の和:1461

約数の個数: 40

約数和(自身を含む): 52816560

約数和(自身を除く): 27355648

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 122, 152, 244, 304, 488, 976, 1159, 1373, 2318, 2746, 4636, 5492, 9272, 10984, 18544, 21968, 26087, 52174, 83753, 104348, 167506, 208696, 335012, 417392, 670024, 1340048, 1591307, 3182614, 6365228, 12730456, 25460912]

約数ペア:

[(1, 25460912), (2, 12730456), (4, 6365228), (8, 3182614), (16, 1591307), (19, 1340048), (38, 670024), (61, 417392), (76, 335012), (122, 208696), (152, 167506), (244, 104348), (304, 83753), (488, 52174), (976, 26087), (1159, 21968), (1373, 18544), (2318, 10984), (2746, 9272), (4636, 5492)]