9780432820

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1949}}^1\times {\mathrm{3023}}^1$

素因数の和:5064

約数の個数: 48

約数和(自身を含む): 20803910400

約数和(自身を除く): 11023477580

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 1949, 3023, 3898, 6046, 7796, 9745, 12092, 15115, 19490, 30230, 38980, 60460, 161767, 250909, 323534, 501818, 647068, 808835, 1003636, 1254545, 1617670, 2509090, 3235340, 5018180, 5891827, 11783654, 23567308, 29459135, 58918270, 117836540, 489021641, 978043282, 1956086564, 2445108205, 4890216410, 9780432820]

約数ペア:

[(1, 9780432820), (2, 4890216410), (4, 2445108205), (5, 1956086564), (10, 978043282), (20, 489021641), (83, 117836540), (166, 58918270), (332, 29459135), (415, 23567308), (830, 11783654), (1660, 5891827), (1949, 5018180), (3023, 3235340), (3898, 2509090), (6046, 1617670), (7796, 1254545), (9745, 1003636), (12092, 808835), (15115, 647068), (19490, 501818), (30230, 323534), (38980, 250909), (60460, 161767)]