25428340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 65318400

約数和(自身を除く): 39890060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 53, 70, 92, 106, 115, 140, 149, 161, 212, 230, 265, 298, 322, 371, 460, 530, 596, 644, 742, 745, 805, 1043, 1060, 1219, 1484, 1490, 1610, 1855, 2086, 2438, 2980, 3220, 3427, 3710, 4172, 4876, 5215, 6095, 6854, 7420, 7897, 8533, 10430, 12190, 13708, 15794, 17066, 17135, 20860, 23989, 24380, 31588, 34132, 34270, 39485, 42665, 47978, 55279, 68540, 78970, 85330, 95956, 110558, 119945, 157940, 170660, 181631, 221116, 239890, 276395, 363262, 479780, 552790, 726524, 908155, 1105580, 1271417, 1816310, 2542834, 3632620, 5085668, 6357085, 12714170, 25428340]

約数ペア:

[(1, 25428340), (2, 12714170), (4, 6357085), (5, 5085668), (7, 3632620), (10, 2542834), (14, 1816310), (20, 1271417), (23, 1105580), (28, 908155), (35, 726524), (46, 552790), (53, 479780), (70, 363262), (92, 276395), (106, 239890), (115, 221116), (140, 181631), (149, 170660), (161, 157940), (212, 119945), (230, 110558), (265, 95956), (298, 85330), (322, 78970), (371, 68540), (460, 55279), (530, 47978), (596, 42665), (644, 39485), (742, 34270), (745, 34132), (805, 31588), (1043, 24380), (1060, 23989), (1219, 20860), (1484, 17135), (1490, 17066), (1610, 15794), (1855, 13708), (2086, 12190), (2438, 10430), (2980, 8533), (3220, 7897), (3427, 7420), (3710, 6854), (4172, 6095), (4876, 5215)]