25215210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{9661}}^1$

素因数の和:9703

約数の個数: 48

約数和(自身を含む): 67827240

約数和(自身を除く): 42612030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 9661, 19322, 28983, 48305, 57966, 86949, 96610, 144915, 173898, 280169, 289830, 434745, 560338, 840507, 869490, 1400845, 1681014, 2521521, 2801690, 4202535, 5043042, 8405070, 12607605, 25215210]

約数ペア:

[(1, 25215210), (2, 12607605), (3, 8405070), (5, 5043042), (6, 4202535), (9, 2801690), (10, 2521521), (15, 1681014), (18, 1400845), (29, 869490), (30, 840507), (45, 560338), (58, 434745), (87, 289830), (90, 280169), (145, 173898), (174, 144915), (261, 96610), (290, 86949), (435, 57966), (522, 48305), (870, 28983), (1305, 19322), (2610, 9661)]