131396800

素因数分解:

$2^6\times 5^2\times {\mathrm{41}}^1\times {\mathrm{2003}}^1$

素因数の和:2066

約数の個数: 84

約数和(自身を含む): 331369416

約数和(自身を除く): 199972616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 160, 164, 200, 205, 320, 328, 400, 410, 656, 800, 820, 1025, 1312, 1600, 1640, 2003, 2050, 2624, 3280, 4006, 4100, 6560, 8012, 8200, 10015, 13120, 16024, 16400, 20030, 32048, 32800, 40060, 50075, 64096, 65600, 80120, 82123, 100150, 128192, 160240, 164246, 200300, 320480, 328492, 400600, 410615, 640960, 656984, 801200, 821230, 1313968, 1602400, 1642460, 2053075, 2627936, 3204800, 3284920, 4106150, 5255872, 6569840, 8212300, 13139680, 16424600, 26279360, 32849200, 65698400, 131396800]

約数ペア:

[(1, 131396800), (2, 65698400), (4, 32849200), (5, 26279360), (8, 16424600), (10, 13139680), (16, 8212300), (20, 6569840), (25, 5255872), (32, 4106150), (40, 3284920), (41, 3204800), (50, 2627936), (64, 2053075), (80, 1642460), (82, 1602400), (100, 1313968), (160, 821230), (164, 801200), (200, 656984), (205, 640960), (320, 410615), (328, 400600), (400, 328492), (410, 320480), (656, 200300), (800, 164246), (820, 160240), (1025, 128192), (1312, 100150), (1600, 82123), (1640, 80120), (2003, 65600), (2050, 64096), (2624, 50075), (3280, 40060), (4006, 32800), (4100, 32048), (6560, 20030), (8012, 16400), (8200, 16024), (10015, 13120)]