40907515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 55442880

約数和(自身を除く): 14535365

約数列:

[1, 5, 11, 55, 61, 89, 137, 305, 445, 671, 685, 979, 1507, 3355, 4895, 5429, 7535, 8357, 12193, 27145, 41785, 59719, 60965, 91927, 134123, 298595, 459635, 670615, 743773, 3718865, 8181503, 40907515]

約数ペア:

[(1, 40907515), (5, 8181503), (11, 3718865), (55, 743773), (61, 670615), (89, 459635), (137, 298595), (305, 134123), (445, 91927), (671, 60965), (685, 59719), (979, 41785), (1507, 27145), (3355, 12193), (4895, 8357), (5429, 7535)]