25318100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 59480568

約数和(自身を除く): 34162468

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 53, 68, 85, 100, 106, 170, 212, 265, 281, 340, 425, 530, 562, 850, 901, 1060, 1124, 1325, 1405, 1700, 1802, 2650, 2810, 3604, 4505, 4777, 5300, 5620, 7025, 9010, 9554, 14050, 14893, 18020, 19108, 22525, 23885, 28100, 29786, 45050, 47770, 59572, 74465, 90100, 95540, 119425, 148930, 238850, 253181, 297860, 372325, 477700, 506362, 744650, 1012724, 1265905, 1489300, 2531810, 5063620, 6329525, 12659050, 25318100]

約数ペア:

[(1, 25318100), (2, 12659050), (4, 6329525), (5, 5063620), (10, 2531810), (17, 1489300), (20, 1265905), (25, 1012724), (34, 744650), (50, 506362), (53, 477700), (68, 372325), (85, 297860), (100, 253181), (106, 238850), (170, 148930), (212, 119425), (265, 95540), (281, 90100), (340, 74465), (425, 59572), (530, 47770), (562, 45050), (850, 29786), (901, 28100), (1060, 23885), (1124, 22525), (1325, 19108), (1405, 18020), (1700, 14893), (1802, 14050), (2650, 9554), (2810, 9010), (3604, 7025), (4505, 5620), (4777, 5300)]