78065440

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15739}}^1$

素因数の和:15785

約数の個数: 48

約数和(自身を含む): 190391040

約数和(自身を除く): 112325600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 15739, 31478, 62956, 78695, 125912, 157390, 251824, 314780, 487909, 503648, 629560, 975818, 1259120, 1951636, 2439545, 2518240, 3903272, 4879090, 7806544, 9758180, 15613088, 19516360, 39032720, 78065440]

約数ペア:

[(1, 78065440), (2, 39032720), (4, 19516360), (5, 15613088), (8, 9758180), (10, 7806544), (16, 4879090), (20, 3903272), (31, 2518240), (32, 2439545), (40, 1951636), (62, 1259120), (80, 975818), (124, 629560), (155, 503648), (160, 487909), (248, 314780), (310, 251824), (496, 157390), (620, 125912), (992, 78695), (1240, 62956), (2480, 31478), (4960, 15739)]