31613000

素因数分解:

$2^3\times 5^3\times {\mathrm{101}}^1\times {\mathrm{313}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 74945520

約数和(自身を除く): 43332520

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 125, 200, 202, 250, 313, 404, 500, 505, 626, 808, 1000, 1010, 1252, 1565, 2020, 2504, 2525, 3130, 4040, 5050, 6260, 7825, 10100, 12520, 12625, 15650, 20200, 25250, 31300, 31613, 39125, 50500, 62600, 63226, 78250, 101000, 126452, 156500, 158065, 252904, 313000, 316130, 632260, 790325, 1264520, 1580650, 3161300, 3951625, 6322600, 7903250, 15806500, 31613000]

約数ペア:

[(1, 31613000), (2, 15806500), (4, 7903250), (5, 6322600), (8, 3951625), (10, 3161300), (20, 1580650), (25, 1264520), (40, 790325), (50, 632260), (100, 316130), (101, 313000), (125, 252904), (200, 158065), (202, 156500), (250, 126452), (313, 101000), (404, 78250), (500, 63226), (505, 62600), (626, 50500), (808, 39125), (1000, 31613), (1010, 31300), (1252, 25250), (1565, 20200), (2020, 15650), (2504, 12625), (2525, 12520), (3130, 10100), (4040, 7825), (5050, 6260)]