19659366920

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1\times {\mathrm{28573}}^1$

素因数の和:28854

約数の個数: 64

約数和(自身を含む): 44932043520

約数和(自身を除く): 25272676600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 167, 206, 334, 412, 515, 668, 824, 835, 1030, 1336, 1670, 2060, 3340, 4120, 6680, 17201, 28573, 34402, 57146, 68804, 86005, 114292, 137608, 142865, 172010, 228584, 285730, 344020, 571460, 688040, 1142920, 2943019, 4771691, 5886038, 9543382, 11772076, 14715095, 19086764, 23544152, 23858455, 29430190, 38173528, 47716910, 58860380, 95433820, 117720760, 190867640, 491484173, 982968346, 1965936692, 2457420865, 3931873384, 4914841730, 9829683460, 19659366920]

約数ペア:

[(1, 19659366920), (2, 9829683460), (4, 4914841730), (5, 3931873384), (8, 2457420865), (10, 1965936692), (20, 982968346), (40, 491484173), (103, 190867640), (167, 117720760), (206, 95433820), (334, 58860380), (412, 47716910), (515, 38173528), (668, 29430190), (824, 23858455), (835, 23544152), (1030, 19086764), (1336, 14715095), (1670, 11772076), (2060, 9543382), (3340, 5886038), (4120, 4771691), (6680, 2943019), (17201, 1142920), (28573, 688040), (34402, 571460), (57146, 344020), (68804, 285730), (86005, 228584), (114292, 172010), (137608, 142865)]