225652720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{90989}}^1$

素因数の和:91033

約数の個数: 40

約数和(自身を含む): 541572480

約数和(自身を除く): 315919760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 90989, 181978, 363956, 454945, 727912, 909890, 1455824, 1819780, 2820659, 3639560, 5641318, 7279120, 11282636, 14103295, 22565272, 28206590, 45130544, 56413180, 112826360, 225652720]

約数ペア:

[(1, 225652720), (2, 112826360), (4, 56413180), (5, 45130544), (8, 28206590), (10, 22565272), (16, 14103295), (20, 11282636), (31, 7279120), (40, 5641318), (62, 3639560), (80, 2820659), (124, 1819780), (155, 1455824), (248, 909890), (310, 727912), (496, 454945), (620, 363956), (1240, 181978), (2480, 90989)]