87994880

素因数分解:

$2^9\times 5^1\times {\mathrm{37}}^1\times {\mathrm{929}}^1$

素因数の和:989

約数の個数: 80

約数和(自身を含む): 216916920

約数和(自身を除く): 128922040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 256, 296, 320, 370, 512, 592, 640, 740, 929, 1184, 1280, 1480, 1858, 2368, 2560, 2960, 3716, 4645, 4736, 5920, 7432, 9290, 9472, 11840, 14864, 18580, 18944, 23680, 29728, 34373, 37160, 47360, 59456, 68746, 74320, 94720, 118912, 137492, 148640, 171865, 237824, 274984, 297280, 343730, 475648, 549968, 594560, 687460, 1099936, 1189120, 1374920, 2199872, 2378240, 2749840, 4399744, 5499680, 8799488, 10999360, 17598976, 21998720, 43997440, 87994880]

約数ペア:

[(1, 87994880), (2, 43997440), (4, 21998720), (5, 17598976), (8, 10999360), (10, 8799488), (16, 5499680), (20, 4399744), (32, 2749840), (37, 2378240), (40, 2199872), (64, 1374920), (74, 1189120), (80, 1099936), (128, 687460), (148, 594560), (160, 549968), (185, 475648), (256, 343730), (296, 297280), (320, 274984), (370, 237824), (512, 171865), (592, 148640), (640, 137492), (740, 118912), (929, 94720), (1184, 74320), (1280, 68746), (1480, 59456), (1858, 47360), (2368, 37160), (2560, 34373), (2960, 29728), (3716, 23680), (4645, 18944), (4736, 18580), (5920, 14864), (7432, 11840), (9290, 9472)]