81035860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4507}}^1$

素因数の和:4576

約数の個数: 48

約数和(自身を含む): 181762560

約数和(自身を除く): 100726700

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1798, 3596, 4495, 4507, 8990, 9014, 17980, 18028, 22535, 45070, 90140, 130703, 139717, 261406, 279434, 522812, 558868, 653515, 698585, 1307030, 1397170, 2614060, 2794340, 4051793, 8103586, 16207172, 20258965, 40517930, 81035860]

約数ペア:

[(1, 81035860), (2, 40517930), (4, 20258965), (5, 16207172), (10, 8103586), (20, 4051793), (29, 2794340), (31, 2614060), (58, 1397170), (62, 1307030), (116, 698585), (124, 653515), (145, 558868), (155, 522812), (290, 279434), (310, 261406), (580, 139717), (620, 130703), (899, 90140), (1798, 45070), (3596, 22535), (4495, 18028), (4507, 17980), (8990, 9014)]