72764420

素因数分解:

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

素因数の和:12632

約数の個数: 36

約数和(自身を含む): 162335460

約数和(自身を除く): 89571040

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 12589, 25178, 50356, 62945, 125890, 214013, 251780, 428026, 856052, 1070065, 2140130, 3638221, 4280260, 7276442, 14552884, 18191105, 36382210, 72764420]

約数ペア:

[(1, 72764420), (2, 36382210), (4, 18191105), (5, 14552884), (10, 7276442), (17, 4280260), (20, 3638221), (34, 2140130), (68, 1070065), (85, 856052), (170, 428026), (289, 251780), (340, 214013), (578, 125890), (1156, 62945), (1445, 50356), (2890, 25178), (5780, 12589)]