81960590

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1\times {\mathrm{631}}^1$

素因数の和:1088

約数の個数: 32

約数和(自身を含む): 152893440

約数和(自身を除く): 70932850

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 419, 631, 838, 1262, 2095, 3155, 4190, 6310, 12989, 19561, 25978, 39122, 64945, 97805, 129890, 195610, 264389, 528778, 1321945, 2643890, 8196059, 16392118, 40980295, 81960590]

約数ペア:

[(1, 81960590), (2, 40980295), (5, 16392118), (10, 8196059), (31, 2643890), (62, 1321945), (155, 528778), (310, 264389), (419, 195610), (631, 129890), (838, 97805), (1262, 64945), (2095, 39122), (3155, 25978), (4190, 19561), (6310, 12989)]