13579888520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{995593}}^1$

素因数の和:995646

約数の個数: 64

約数和(自身を含む): 34407728640

約数和(自身を除く): 20827840120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 13640, 995593, 1991186, 3982372, 4977965, 7964744, 9955930, 10951523, 19911860, 21903046, 30863383, 39823720, 43806092, 54757615, 61726766, 87612184, 109515230, 123453532, 154316915, 219030460, 246907064, 308633830, 339497213, 438060920, 617267660, 678994426, 1234535320, 1357988852, 1697486065, 2715977704, 3394972130, 6789944260, 13579888520]

約数ペア:

[(1, 13579888520), (2, 6789944260), (4, 3394972130), (5, 2715977704), (8, 1697486065), (10, 1357988852), (11, 1234535320), (20, 678994426), (22, 617267660), (31, 438060920), (40, 339497213), (44, 308633830), (55, 246907064), (62, 219030460), (88, 154316915), (110, 123453532), (124, 109515230), (155, 87612184), (220, 61726766), (248, 54757615), (310, 43806092), (341, 39823720), (440, 30863383), (620, 21903046), (682, 19911860), (1240, 10951523), (1364, 9955930), (1705, 7964744), (2728, 4977965), (3410, 3982372), (6820, 1991186), (13640, 995593)]