82070980

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{839}}^1$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 177528960

約数和(自身を除く): 95457980

約数列:

[1, 2, 4, 5, 10, 20, 67, 73, 134, 146, 268, 292, 335, 365, 670, 730, 839, 1340, 1460, 1678, 3356, 4195, 4891, 8390, 9782, 16780, 19564, 24455, 48910, 56213, 61247, 97820, 112426, 122494, 224852, 244988, 281065, 306235, 562130, 612470, 1124260, 1224940, 4103549, 8207098, 16414196, 20517745, 41035490, 82070980]

約数ペア:

[(1, 82070980), (2, 41035490), (4, 20517745), (5, 16414196), (10, 8207098), (20, 4103549), (67, 1224940), (73, 1124260), (134, 612470), (146, 562130), (268, 306235), (292, 281065), (335, 244988), (365, 224852), (670, 122494), (730, 112426), (839, 97820), (1340, 61247), (1460, 56213), (1678, 48910), (3356, 24455), (4195, 19564), (4891, 16780), (8390, 9782)]