82138480

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{14461}}^1$

素因数の和:14545

約数の個数: 40

約数和(自身を含む): 193675104

約数和(自身を除く): 111536624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 14461, 28922, 57844, 72305, 115688, 144610, 231376, 289220, 578440, 1026731, 1156880, 2053462, 4106924, 5133655, 8213848, 10267310, 16427696, 20534620, 41069240, 82138480]

約数ペア:

[(1, 82138480), (2, 41069240), (4, 20534620), (5, 16427696), (8, 10267310), (10, 8213848), (16, 5133655), (20, 4106924), (40, 2053462), (71, 1156880), (80, 1026731), (142, 578440), (284, 289220), (355, 231376), (568, 144610), (710, 115688), (1136, 72305), (1420, 57844), (2840, 28922), (5680, 14461)]