25135904

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:313

約数の個数: 48

約数和(自身を含む): 51246720

約数和(自身を除く): 26110816

約数列:

[1, 2, 4, 8, 16, 32, 61, 79, 122, 158, 163, 244, 316, 326, 488, 632, 652, 976, 1264, 1304, 1952, 2528, 2608, 4819, 5216, 9638, 9943, 12877, 19276, 19886, 25754, 38552, 39772, 51508, 77104, 79544, 103016, 154208, 159088, 206032, 318176, 412064, 785497, 1570994, 3141988, 6283976, 12567952, 25135904]

約数ペア:

[(1, 25135904), (2, 12567952), (4, 6283976), (8, 3141988), (16, 1570994), (32, 785497), (61, 412064), (79, 318176), (122, 206032), (158, 159088), (163, 154208), (244, 103016), (316, 79544), (326, 77104), (488, 51508), (632, 39772), (652, 38552), (976, 25754), (1264, 19886), (1304, 19276), (1952, 12877), (2528, 9943), (2608, 9638), (4819, 5216)]