25293940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:329

約数の個数: 96

約数和(自身を含む): 65882880

約数和(自身を除く): 40588940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 37, 38, 70, 74, 76, 95, 133, 140, 148, 185, 190, 257, 259, 266, 370, 380, 514, 518, 532, 665, 703, 740, 1028, 1036, 1285, 1295, 1330, 1406, 1799, 2570, 2590, 2660, 2812, 3515, 3598, 4883, 4921, 5140, 5180, 7030, 7196, 8995, 9509, 9766, 9842, 14060, 17990, 19018, 19532, 19684, 24415, 24605, 34181, 35980, 38036, 47545, 48830, 49210, 66563, 68362, 95090, 97660, 98420, 133126, 136724, 170905, 180671, 190180, 266252, 332815, 341810, 361342, 665630, 683620, 722684, 903355, 1264697, 1331260, 1806710, 2529394, 3613420, 5058788, 6323485, 12646970, 25293940]

約数ペア:

[(1, 25293940), (2, 12646970), (4, 6323485), (5, 5058788), (7, 3613420), (10, 2529394), (14, 1806710), (19, 1331260), (20, 1264697), (28, 903355), (35, 722684), (37, 683620), (38, 665630), (70, 361342), (74, 341810), (76, 332815), (95, 266252), (133, 190180), (140, 180671), (148, 170905), (185, 136724), (190, 133126), (257, 98420), (259, 97660), (266, 95090), (370, 68362), (380, 66563), (514, 49210), (518, 48830), (532, 47545), (665, 38036), (703, 35980), (740, 34181), (1028, 24605), (1036, 24415), (1285, 19684), (1295, 19532), (1330, 19018), (1406, 17990), (1799, 14060), (2570, 9842), (2590, 9766), (2660, 9509), (2812, 8995), (3515, 7196), (3598, 7030), (4883, 5180), (4921, 5140)]