201835520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:603

約数の個数: 88

約数和(自身を含む): 491280000

約数和(自身を除く): 289444480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 499, 512, 632, 640, 790, 998, 1024, 1264, 1280, 1580, 1996, 2495, 2528, 2560, 3160, 3992, 4990, 5056, 5120, 6320, 7984, 9980, 10112, 12640, 15968, 19960, 20224, 25280, 31936, 39421, 39920, 40448, 50560, 63872, 78842, 79840, 80896, 101120, 127744, 157684, 159680, 197105, 202240, 255488, 315368, 319360, 394210, 404480, 510976, 630736, 638720, 788420, 1261472, 1277440, 1576840, 2522944, 2554880, 3153680, 5045888, 6307360, 10091776, 12614720, 20183552, 25229440, 40367104, 50458880, 100917760, 201835520]

約数ペア:

[(1, 201835520), (2, 100917760), (4, 50458880), (5, 40367104), (8, 25229440), (10, 20183552), (16, 12614720), (20, 10091776), (32, 6307360), (40, 5045888), (64, 3153680), (79, 2554880), (80, 2522944), (128, 1576840), (158, 1277440), (160, 1261472), (256, 788420), (316, 638720), (320, 630736), (395, 510976), (499, 404480), (512, 394210), (632, 319360), (640, 315368), (790, 255488), (998, 202240), (1024, 197105), (1264, 159680), (1280, 157684), (1580, 127744), (1996, 101120), (2495, 80896), (2528, 79840), (2560, 78842), (3160, 63872), (3992, 50560), (4990, 40448), (5056, 39920), (5120, 39421), (6320, 31936), (7984, 25280), (9980, 20224), (10112, 19960), (12640, 15968)]