128049200

素因数分解:

$2^4\times 5^2\times {\mathrm{157}}^1\times {\mathrm{2039}}^1$

素因数の和:2214

約数の個数: 60

約数和(自身を含む): 309749520

約数和(自身を除く): 181700320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 157, 200, 314, 400, 628, 785, 1256, 1570, 2039, 2512, 3140, 3925, 4078, 6280, 7850, 8156, 10195, 12560, 15700, 16312, 20390, 31400, 32624, 40780, 50975, 62800, 81560, 101950, 163120, 203900, 320123, 407800, 640246, 815600, 1280492, 1600615, 2560984, 3201230, 5121968, 6402460, 8003075, 12804920, 16006150, 25609840, 32012300, 64024600, 128049200]

約数ペア:

[(1, 128049200), (2, 64024600), (4, 32012300), (5, 25609840), (8, 16006150), (10, 12804920), (16, 8003075), (20, 6402460), (25, 5121968), (40, 3201230), (50, 2560984), (80, 1600615), (100, 1280492), (157, 815600), (200, 640246), (314, 407800), (400, 320123), (628, 203900), (785, 163120), (1256, 101950), (1570, 81560), (2039, 62800), (2512, 50975), (3140, 40780), (3925, 32624), (4078, 31400), (6280, 20390), (7850, 16312), (8156, 15700), (10195, 12560)]