25875700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:553

約数の個数: 72

約数和(自身を含む): 61496064

約数和(自身を除く): 35620364

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 31, 34, 50, 62, 68, 85, 100, 124, 155, 170, 310, 340, 425, 491, 527, 620, 775, 850, 982, 1054, 1550, 1700, 1964, 2108, 2455, 2635, 3100, 4910, 5270, 8347, 9820, 10540, 12275, 13175, 15221, 16694, 24550, 26350, 30442, 33388, 41735, 49100, 52700, 60884, 76105, 83470, 152210, 166940, 208675, 258757, 304420, 380525, 417350, 517514, 761050, 834700, 1035028, 1293785, 1522100, 2587570, 5175140, 6468925, 12937850, 25875700]

約数ペア:

[(1, 25875700), (2, 12937850), (4, 6468925), (5, 5175140), (10, 2587570), (17, 1522100), (20, 1293785), (25, 1035028), (31, 834700), (34, 761050), (50, 517514), (62, 417350), (68, 380525), (85, 304420), (100, 258757), (124, 208675), (155, 166940), (170, 152210), (310, 83470), (340, 76105), (425, 60884), (491, 52700), (527, 49100), (620, 41735), (775, 33388), (850, 30442), (982, 26350), (1054, 24550), (1550, 16694), (1700, 15221), (1964, 13175), (2108, 12275), (2455, 10540), (2635, 9820), (3100, 8347), (4910, 5270)]