78696250

素因数分解:

$2^1\times 5^4\times {\mathrm{157}}^1\times {\mathrm{401}}^1$

素因数の和:580

約数の個数: 40

約数和(自身を含む): 148817988

約数和(自身を除く): 70121738

約数列:

[1, 2, 5, 10, 25, 50, 125, 157, 250, 314, 401, 625, 785, 802, 1250, 1570, 2005, 3925, 4010, 7850, 10025, 19625, 20050, 39250, 50125, 62957, 98125, 100250, 125914, 196250, 250625, 314785, 501250, 629570, 1573925, 3147850, 7869625, 15739250, 39348125, 78696250]

約数ペア:

[(1, 78696250), (2, 39348125), (5, 15739250), (10, 7869625), (25, 3147850), (50, 1573925), (125, 629570), (157, 501250), (250, 314785), (314, 250625), (401, 196250), (625, 125914), (785, 100250), (802, 98125), (1250, 62957), (1570, 50125), (2005, 39250), (3925, 20050), (4010, 19625), (7850, 10025)]