129401200

素因数分解:

$2^4\times 5^2\times {\mathrm{101}}^1\times {\mathrm{3203}}^1$

素因数の和:3322

約数の個数: 60

約数和(自身を含む): 314062488

約数和(自身を除く): 184661288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 101, 200, 202, 400, 404, 505, 808, 1010, 1616, 2020, 2525, 3203, 4040, 5050, 6406, 8080, 10100, 12812, 16015, 20200, 25624, 32030, 40400, 51248, 64060, 80075, 128120, 160150, 256240, 320300, 323503, 640600, 647006, 1281200, 1294012, 1617515, 2588024, 3235030, 5176048, 6470060, 8087575, 12940120, 16175150, 25880240, 32350300, 64700600, 129401200]

約数ペア:

[(1, 129401200), (2, 64700600), (4, 32350300), (5, 25880240), (8, 16175150), (10, 12940120), (16, 8087575), (20, 6470060), (25, 5176048), (40, 3235030), (50, 2588024), (80, 1617515), (100, 1294012), (101, 1281200), (200, 647006), (202, 640600), (400, 323503), (404, 320300), (505, 256240), (808, 160150), (1010, 128120), (1616, 80075), (2020, 64060), (2525, 51248), (3203, 40400), (4040, 32030), (5050, 25624), (6406, 20200), (8080, 16015), (10100, 12812)]