25702740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{20399}}^1$

素因数の和:20421

約数の個数: 72

約数和(自身を含む): 89107200

約数和(自身を除く): 63404460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 20399, 40798, 61197, 81596, 101995, 122394, 142793, 183591, 203990, 244788, 285586, 305985, 367182, 407980, 428379, 571172, 611970, 713965, 734364, 856758, 917955, 1223940, 1285137, 1427930, 1713516, 1835910, 2141895, 2570274, 2855860, 3671820, 4283790, 5140548, 6425685, 8567580, 12851370, 25702740]

約数ペア:

[(1, 25702740), (2, 12851370), (3, 8567580), (4, 6425685), (5, 5140548), (6, 4283790), (7, 3671820), (9, 2855860), (10, 2570274), (12, 2141895), (14, 1835910), (15, 1713516), (18, 1427930), (20, 1285137), (21, 1223940), (28, 917955), (30, 856758), (35, 734364), (36, 713965), (42, 611970), (45, 571172), (60, 428379), (63, 407980), (70, 367182), (84, 305985), (90, 285586), (105, 244788), (126, 203990), (140, 183591), (180, 142793), (210, 122394), (252, 101995), (315, 81596), (420, 61197), (630, 40798), (1260, 20399)]