25521370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:683

約数の個数: 64

約数和(自身を含む): 57139200

約数和(自身を除く): 31617830

約数列:

[1, 2, 5, 7, 10, 14, 19, 31, 35, 38, 62, 70, 95, 133, 155, 190, 217, 266, 310, 434, 589, 619, 665, 1085, 1178, 1238, 1330, 2170, 2945, 3095, 4123, 4333, 5890, 6190, 8246, 8666, 11761, 19189, 20615, 21665, 23522, 38378, 41230, 43330, 58805, 82327, 95945, 117610, 134323, 164654, 191890, 268646, 364591, 411635, 671615, 729182, 823270, 1343230, 1822955, 2552137, 3645910, 5104274, 12760685, 25521370]

約数ペア:

[(1, 25521370), (2, 12760685), (5, 5104274), (7, 3645910), (10, 2552137), (14, 1822955), (19, 1343230), (31, 823270), (35, 729182), (38, 671615), (62, 411635), (70, 364591), (95, 268646), (133, 191890), (155, 164654), (190, 134323), (217, 117610), (266, 95945), (310, 82327), (434, 58805), (589, 43330), (619, 41230), (665, 38378), (1085, 23522), (1178, 21665), (1238, 20615), (1330, 19189), (2170, 11761), (2945, 8666), (3095, 8246), (4123, 6190), (4333, 5890)]