38673820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{509}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 84823200

約数和(自身を除く): 46149380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 131, 145, 262, 290, 509, 524, 580, 655, 1018, 1310, 2036, 2545, 2620, 3799, 5090, 7598, 10180, 14761, 15196, 18995, 29522, 37990, 59044, 66679, 73805, 75980, 133358, 147610, 266716, 295220, 333395, 666790, 1333580, 1933691, 3867382, 7734764, 9668455, 19336910, 38673820]

約数ペア:

[(1, 38673820), (2, 19336910), (4, 9668455), (5, 7734764), (10, 3867382), (20, 1933691), (29, 1333580), (58, 666790), (116, 333395), (131, 295220), (145, 266716), (262, 147610), (290, 133358), (509, 75980), (524, 73805), (580, 66679), (655, 59044), (1018, 37990), (1310, 29522), (2036, 18995), (2545, 15196), (2620, 14761), (3799, 10180), (5090, 7598)]