40395142

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{991}}^1$

素因数の和:1311

約数の個数: 16

約数和(自身を含む): 61603200

約数和(自身を除く): 21208058

約数列:

[1, 2, 89, 178, 229, 458, 991, 1982, 20381, 40762, 88199, 176398, 226939, 453878, 20197571, 40395142]

約数ペア:

[(1, 40395142), (2, 20197571), (89, 453878), (178, 226939), (229, 176398), (458, 88199), (991, 40762), (1982, 20381)]