61381820

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{359}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 132088320

約数和(自身を除く): 70706500

約数列:

[1, 2, 4, 5, 10, 20, 83, 103, 166, 206, 332, 359, 412, 415, 515, 718, 830, 1030, 1436, 1660, 1795, 2060, 3590, 7180, 8549, 17098, 29797, 34196, 36977, 42745, 59594, 73954, 85490, 119188, 147908, 148985, 170980, 184885, 297970, 369770, 595940, 739540, 3069091, 6138182, 12276364, 15345455, 30690910, 61381820]

約数ペア:

[(1, 61381820), (2, 30690910), (4, 15345455), (5, 12276364), (10, 6138182), (20, 3069091), (83, 739540), (103, 595940), (166, 369770), (206, 297970), (332, 184885), (359, 170980), (412, 148985), (415, 147908), (515, 119188), (718, 85490), (830, 73954), (1030, 59594), (1436, 42745), (1660, 36977), (1795, 34196), (2060, 29797), (3590, 17098), (7180, 8549)]