40954880

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:465

約数の個数: 88

約数和(自身を含む): 103660080

約数和(自身を除く): 62705200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 421, 512, 608, 640, 760, 842, 1024, 1216, 1280, 1520, 1684, 2105, 2432, 2560, 3040, 3368, 4210, 4864, 5120, 6080, 6736, 7999, 8420, 9728, 12160, 13472, 15998, 16840, 19456, 24320, 26944, 31996, 33680, 39995, 48640, 53888, 63992, 67360, 79990, 97280, 107776, 127984, 134720, 159980, 215552, 255968, 269440, 319960, 431104, 511936, 538880, 639920, 1023872, 1077760, 1279840, 2047744, 2155520, 2559680, 4095488, 5119360, 8190976, 10238720, 20477440, 40954880]

約数ペア:

[(1, 40954880), (2, 20477440), (4, 10238720), (5, 8190976), (8, 5119360), (10, 4095488), (16, 2559680), (19, 2155520), (20, 2047744), (32, 1279840), (38, 1077760), (40, 1023872), (64, 639920), (76, 538880), (80, 511936), (95, 431104), (128, 319960), (152, 269440), (160, 255968), (190, 215552), (256, 159980), (304, 134720), (320, 127984), (380, 107776), (421, 97280), (512, 79990), (608, 67360), (640, 63992), (760, 53888), (842, 48640), (1024, 39995), (1216, 33680), (1280, 31996), (1520, 26944), (1684, 24320), (2105, 19456), (2432, 16840), (2560, 15998), (3040, 13472), (3368, 12160), (4210, 9728), (4864, 8420), (5120, 7999), (6080, 6736)]