31532124920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{161969}}^1$

素因数の和:162168

約数の個数: 64

約数和(自身を含む): 73702828800

約数和(自身を除く): 42170703880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 157, 248, 310, 314, 620, 628, 785, 1240, 1256, 1570, 3140, 4867, 6280, 9734, 19468, 24335, 38936, 48670, 97340, 161969, 194680, 323938, 647876, 809845, 1295752, 1619690, 3239380, 5021039, 6478760, 10042078, 20084156, 25105195, 25429133, 40168312, 50210390, 50858266, 100420780, 101716532, 127145665, 200841560, 203433064, 254291330, 508582660, 788303123, 1017165320, 1576606246, 3153212492, 3941515615, 6306424984, 7883031230, 15766062460, 31532124920]

約数ペア:

[(1, 31532124920), (2, 15766062460), (4, 7883031230), (5, 6306424984), (8, 3941515615), (10, 3153212492), (20, 1576606246), (31, 1017165320), (40, 788303123), (62, 508582660), (124, 254291330), (155, 203433064), (157, 200841560), (248, 127145665), (310, 101716532), (314, 100420780), (620, 50858266), (628, 50210390), (785, 40168312), (1240, 25429133), (1256, 25105195), (1570, 20084156), (3140, 10042078), (4867, 6478760), (6280, 5021039), (9734, 3239380), (19468, 1619690), (24335, 1295752), (38936, 809845), (48670, 647876), (97340, 323938), (161969, 194680)]