202288640

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2549}}^1$

素因数の和:2603

約数の個数: 80

約数和(自身を含む): 500860800

約数和(自身を除く): 298572160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2549, 2560, 3968, 4960, 5098, 7936, 9920, 10196, 12745, 15872, 19840, 20392, 25490, 39680, 40784, 50980, 79019, 79360, 81568, 101960, 158038, 163136, 203920, 316076, 326272, 395095, 407840, 632152, 652544, 790190, 815680, 1264304, 1305088, 1580380, 1631360, 2528608, 3160760, 3262720, 5057216, 6321520, 6525440, 10114432, 12643040, 20228864, 25286080, 40457728, 50572160, 101144320, 202288640]

約数ペア:

[(1, 202288640), (2, 101144320), (4, 50572160), (5, 40457728), (8, 25286080), (10, 20228864), (16, 12643040), (20, 10114432), (31, 6525440), (32, 6321520), (40, 5057216), (62, 3262720), (64, 3160760), (80, 2528608), (124, 1631360), (128, 1580380), (155, 1305088), (160, 1264304), (248, 815680), (256, 790190), (310, 652544), (320, 632152), (496, 407840), (512, 395095), (620, 326272), (640, 316076), (992, 203920), (1240, 163136), (1280, 158038), (1984, 101960), (2480, 81568), (2549, 79360), (2560, 79019), (3968, 50980), (4960, 40784), (5098, 39680), (7936, 25490), (9920, 20392), (10196, 19840), (12745, 15872)]