25681560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12589}}^1$

素因数の和:12620

約数の個数: 64

約数和(自身を含む): 81583200

約数和(自身を除く): 55901640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 12589, 25178, 37767, 50356, 62945, 75534, 100712, 125890, 151068, 188835, 214013, 251780, 302136, 377670, 428026, 503560, 642039, 755340, 856052, 1070065, 1284078, 1510680, 1712104, 2140130, 2568156, 3210195, 4280260, 5136312, 6420390, 8560520, 12840780, 25681560]

約数ペア:

[(1, 25681560), (2, 12840780), (3, 8560520), (4, 6420390), (5, 5136312), (6, 4280260), (8, 3210195), (10, 2568156), (12, 2140130), (15, 1712104), (17, 1510680), (20, 1284078), (24, 1070065), (30, 856052), (34, 755340), (40, 642039), (51, 503560), (60, 428026), (68, 377670), (85, 302136), (102, 251780), (120, 214013), (136, 188835), (170, 151068), (204, 125890), (255, 100712), (340, 75534), (408, 62945), (510, 50356), (680, 37767), (1020, 25178), (2040, 12589)]