204080500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31397}}^1$

素因数の和:31429

約数の個数: 48

約数和(自身を含む): 480012624

約数和(自身を除く): 275932124

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 31397, 62794, 125588, 156985, 313970, 408161, 627940, 784925, 816322, 1569850, 1632644, 2040805, 3139700, 3924625, 4081610, 7849250, 8163220, 10204025, 15698500, 20408050, 40816100, 51020125, 102040250, 204080500]

約数ペア:

[(1, 204080500), (2, 102040250), (4, 51020125), (5, 40816100), (10, 20408050), (13, 15698500), (20, 10204025), (25, 8163220), (26, 7849250), (50, 4081610), (52, 3924625), (65, 3139700), (100, 2040805), (125, 1632644), (130, 1569850), (250, 816322), (260, 784925), (325, 627940), (500, 408161), (650, 313970), (1300, 156985), (1625, 125588), (3250, 62794), (6500, 31397)]